(x+2)^2=9
I assume you want to solve for x.
Take root of both sides:
x+2 = ±3
If x+2 = 3 , x = 1
If x+2 = -3, x = -5
Check that these values satisfy the original equation.
Take root of both sides:
x+2 = ±3
If x+2 = 3 , x = 1
If x+2 = -3, x = -5
Check that these values satisfy the original equation.