Question

Write x2 − 2x − 3 = 0 in the form (x − a)2 = b, where a and b are integers.

A (x − 4)2 = 3

B (x − 3)2 = 2

C (x − 2)2 = 1

D (x − 1)2 = 4

Answer 1

x2 - 2x = 3
(x-1)2 = 4
So the answer is D