Question

1.Which of the following is a quadratic equation?
(x + 2)² = 2(x + 3)
(B)x² + 3x = (–1) (1 – 3x)²
(C) (x + 2) (x – 1) = ^2 – 2x – 3
(D) x^3 – x² + 2x + 1 = (x + 1)^3​

Answer 1

Step-by-step explanation:

Ans : (D) is the quadratic equation