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A ka r − aka r p ers amaan k u a d r a t 2 x 2 + 6 x + 3 = 0 a d a l ah p d an q . P ers amaan k u a d r a t y an g aka r − aka r n y a ( p + q ) d an ( pq ) a d a l ah ...

  1. 2 x squared plus 3 x plus 10 equals 0

  2. 2 x squared plus 10 x minus 3 equals 0

  3. 2 x squared plus 9 x minus 3 equals 0

  4. 2 x squared minus 3 x plus 9 equals 0

  5. 2 x squared plus 3 x minus 9 equals 0

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Pembahasan

D a r i space p e r s a m a a n space k u a d r a t space 2 x squared plus 6 x plus 3 equals 0 space d a p a t space d i k e t a h u i space p plus q equals negative 6 over 2 equals negative 3 space p q equals 3 over 2 space M a k a space p e r s a m a a n space k u a d r a t space y a n g space a k a r minus a k a r n y a space left parenthesis p plus q right parenthesis space d a n space left parenthesis p q right parenthesis colon space P e n j u m l a h a n space a k a r colon space left parenthesis p plus q right parenthesis plus left parenthesis p q right parenthesis equals negative 3 plus 3 over 2 equals negative 3 over 2 P e r k a l i a n space a k a r space left parenthesis p plus q right parenthesis left parenthesis p q right parenthesis equals negative 3 space.3 over 2 equals negative 9 over 2 space J a d i space p e r s a m a a n space k u a d r a t n y a space a d a l a h space x squared minus left parenthesis negative 3 over 2 right parenthesis x minus 9 over 2 equals 0 space D i k a l i space 2 space 2 x squared plus 3 x minus 9 equals 0

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