Question

What is the solution to x2 = 225?

O
A. X = 15 or x =
-15
O B. X = -15
OC. I = 15
D. r = 5 or x = -:
Dan

Answer 1

x = ± 15

Explanation:

Given

x² = 225 ( take the square root of both sides )

x = ±
`√(225)` = ± 15

That is x = - 15 0r x = 15

Answer 2

Explanation:

X² = 225

Finding the square root of both side

√X² = √225

X = 15 or -15