Question

1. Which one of the following is not a quadratic equation?
(a)(x - 1) = x + 2 +x-1
(b) (x+3)(x - 1) = x2 - 4x +9
(c)(x + 1)2 = 3(x+1)
(d) x2 +5x = (-1)(1 - 5x)​

Answer 1

Answer:

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