Question

Solve the equation using square roots.
-x² + 16 = 0​

Answer 1

- x² + 16 = 0

16 = x²

x = √16

x = √4²

x = 4

Answer 2

x=4

Explanation:

-x²+16=0 |-16

-x²=-16 |:(-1)

x²=16 |√

x=4