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Which of the following equations is NOT an example of a quadratic equation? A. x 2 = 3x + 1 C. 3x = 2x - 1 B. 8x 2 + 1 = 2x D. ( x + 2 ) ( x – 1 ) = 4​

Sagot :

B. 8x 2 +1=2x dahil hindi ito katulad ng form ng quadratic from ax²+bx+c=0