the answer was x=1 or x=-5
let's solve your equation step-by-step
1.step subtract 5 from both sides
x^2+4x-5=5-5
x^2+4-5=0
2.step factor left side of equation
(x-1)(x+5)=0
3.step set factors equal to 0
x-1=0 or x+5=0
x=1 or x=-5
hope that helps you!!!!