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Question

Mathematics Question on Quadratic Equations

Which of the following is not a quadratic equation?

A

(x+1)3=x3−2(x+1)^3=x^3-2

B

(x+1)2=3(x−2)(x+1)^2=3(x-2)

C

(x+2)2+3=x−1(x+2)^2+3=x-1

D

(x+2)(x−1)=(x+1)(x−3)(x+2)(x-1)=(x+1)(x-3)

Answer

(x+2)(x−1)=(x+1)(x−3)(x+2)(x-1)=(x+1)(x-3)

Explanation

Solution

The correct option is (D): (x+2)(x−1)=(x+1)(x−3)(x+2)(x-1)=(x+1)(x-3)