Question

Select all the solutions to this equation. x2 = 121 x = 11 x = 21 x = 61 x = –11 x = –21

Answer 1

Steps to solve:

x² = 121

~Take the square root of both sides

√x² = √121

~Simplify

x = ±11

Therefore, the answers are x = 11 and x = -11

Best of Luck!