Question

Find the solutions to the equation below. Check all that apply. X2 - 9 = 0 O =

A. X = -1
B. X = -2
C. X = 3
D. X = -3
E. X = 2
F. X = 1​

Answer 1

9514 1404 393

Answer:

C, D

Explanation:

The equation factors as ...

(x -3)(x +3) = 0

The value will be zero when a factor is zero. That is, solutions are ...

x = 3 and x = -3 . . . . . matches choices C and D