Question

Solve the following quadratic equation: (x + 3)^2 = 16.
A. x = -3, -4
B. x = 1
C. x = -1, 7
D. x = 1, -7

Answer 1

take the square root of both sides of the equation, which gives

\[x + 3 = \pm 4\]

now solve for x

Answer 2

B! Thanks for the help.