Question

3. Which of the following is a quadratic
equation?
(a) (x + 1)2 = 2(x-3)
(b) (x - 2) (x + 1) = (x - 1) (x + 3)
(c) x² + 3x + 1 = (x - 2)2
(d) x – 1=0.​

Answer 1

Answer:

c= x square + 3 x + 1=(x-2)2

Answer 2

Step-by-step explanation:

option c

x²+3x+1=2x-4