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Jika , maka nilai x yang memenuhi adalah ....

Jika begin mathsize 14px style 27 to the power of 2 straight x minus 4 over 3 end exponent equals open parentheses 1 fourth close parentheses to the power of 2 minus 3 straight x end exponent end style , maka nilai x yang memenuhi adalah ....

  1. begin mathsize 14px style 2 over 3 end style 

  2. begin mathsize 14px style 3 over 2 end style 

  3. 1

  4. negative 2 over 3 

  5. negative 3 over 2 

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N. Mustikowati

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

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begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 27 to the power of 2 straight x minus 4 over 3 end exponent end cell equals cell open parentheses 1 fourth close parentheses to the power of 2 minus 3 straight x end exponent end cell row cell open parentheses 3 cubed close parentheses to the power of 2 straight x minus 4 over 3 end exponent end cell equals cell open parentheses 1 over 2 squared close parentheses to the power of 2 minus 3 straight x end exponent end cell row cell open parentheses 3 cubed close parentheses to the power of 2 straight x minus 4 over 3 end exponent end cell equals cell open parentheses 2 to the power of negative 2 end exponent close parentheses to the power of 2 minus 3 straight x end exponent end cell row cell 3 to the power of 3 open parentheses 2 straight x minus 4 over 3 close parentheses end exponent end cell equals cell 2 to the power of negative 2 open parentheses 2 minus 3 straight x close parentheses end exponent end cell row cell 3 to the power of 6 straight x minus 4 end exponent end cell equals cell 2 to the power of 6 straight x minus 4 end exponent end cell row cell 6 straight x minus 4 end cell equals 0 row cell 6 straight x end cell equals 4 row straight x equals cell 2 over 3 end cell row blank blank blank row blank blank blank end table end style 

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Banyaknya nilai x yang memenuhi persamaan 4 x 2 − 5 ( 2 x 2 + 1 ) + 16 = 0 adalah ....

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