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Hasil pengurangan 3 x 2 − 5 x + 1 dari 10 x 2 − 2 x − 5 adalah

Hasil pengurangan  dari  adalah 

  1. begin mathsize 14px style 7 italic x squared plus 7 italic x plus 4 end style  

  2. begin mathsize 14px style 7 italic x squared minus sign 7 italic x minus sign 4 end style  

  3. begin mathsize 14px style 7 x squared plus 3 x minus 6 end style  

  4. begin mathsize 14px style 7 x squared minus 3 x plus 6 end style   

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H. Firmansyah

Master Teacher

Mahasiswa/Alumni Universitas Gadjah Mada

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Jawaban

jawaban yang tepat adalah C.

jawaban yang tepat adalah C.

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Perhatikan perhitungan berikut! Dengan demikian, hasil pengurangan dari adalah Jadi, jawaban yang tepat adalah C.

Perhatikan perhitungan berikut!

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row blank blank 10 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell x squared end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank minus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 2 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank x end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank minus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 5 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank minus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open parentheses 3 x squared minus 5 x plus 1 close parentheses end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 10 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell x squared end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank minus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 2 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank x end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank minus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 5 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank minus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 3 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell x squared end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank plus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 5 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank x end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank minus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 1 end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open parentheses 10 x squared minus 3 x squared close parentheses plus left parenthesis negative 2 x plus 5 x right parenthesis plus left parenthesis negative 5 minus 1 right parenthesis end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell left parenthesis 10 minus 3 right parenthesis x squared plus left parenthesis negative 2 plus 5 right parenthesis x plus left parenthesis negative 6 right parenthesis end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 7 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell x squared end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank plus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 3 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank x end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank minus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 6 end table end style

Dengan demikian, hasil pengurangan begin mathsize 14px style 3 italic x squared minus sign 5 italic x plus 1 end style dari begin mathsize 14px style 10 italic x squared minus sign 2 italic x minus sign 5 end style adalah begin mathsize 14px style 7 x squared plus 3 x minus 6. end style

Jadi, jawaban yang tepat adalah C.

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