Question

Solve for x.

x2 = 100

-200, 200

-100, 100

-50, 50

-10, 10

Answer 1

Please, write the square properly: x^2=100.

Answer 2

Now take the square root of both sides. Note that you must place a "plus or minus" sign in front of the square root on the right side. This indicates how many roots?

Check your roots.