Question

Solve the quadratic equation.

(x + 2)2 = 1
A)
x = 1 or 3
B)
x = -1 or -3
C)
x = ± 3
D)
x = ± 1

Answer 1

r u sure this is the correct ques?

Answer 2

yes

Answer 3

The answer is B where x = -1 or -3

Here is how you get the answer:

(x+2)^2 = 1 Take the square root of both sides and you get:

x+2 = +/- square root (1) = +/- 1
x = -2 + 1 = -1
x = -2 - 1 = -3