Question

What are the steps for x2-11=-2

Answer 1

x=3

Explanation:

x^2=9

x=3

Answer 2

x = ±3

Explanation:

x^2-11=-2

Add 11 to each side

x^2-11+11=-2+11

x^2 = 9

Take the square root of each side

sqrt(x^2) = ±sqrt(9)

x = ±3