Question

Use the zero product property to find the solutions to the equation x2 – 9 = 16.

x = –3 or x = 3 x
= –6 or x = –3 x
= –5 or x = 5 x
= 7 or x = 1

Answer 1

The answer is C x=-5 or x=5

Explanation:

correct on edge nov 2020

Answer 2

x^2-9=16

x^2=16+9

x^2=25

`√(x)`=±5

(-5 or 5)

Verification:

5^2-9=16

25-9=16

(-5)^2-9=16

25-9=16