# (4x+10)^2=400

Solve for

*x* in the equation (4x+10)

^{2} = 400

__Take the square root of each side:__√

(4x+10)^{2} = √

4004x+10 = 20

__Subtract - 10 from both sides of the equation__4x+10 - 10 = 20 - 10

4x=10

__Divide each side of the equation by 4____Build our solution:__x = ±

**2.5**