Question

X=-2 a solution to x^2 + x - 2 = 0

Answer 1

Not sure this is what you're looking for, but I tried.

 Step 1: Factor left side of equation.
(x−1)(x+2)=0

Step 2: Set factors equal to 0.x−1=0 or x+2=0x=1 or x=−2

Answer:x=1 or x=−2