Question

If (x + 4)^2 = 49 and x < 0. what is the value of x?

Answer 1

x = -11

Explanation:

To get to 49 by squaring, you need to square 7. Since x can only be negative, you need to get to -7.

Answer 2

x = -11

Explanation:

To get to 49 by squaring, you need to square 7. Since x can only be negative, you need to get to -7.

-11 + 4 = -7

(-7)^2 = 49