Solve by factoring, list steps x^2+8x-20=0

x^2+8x-20=0

Factor the left side of the equation
(x−2)(x+10)=0

Set the factors to both equal the number 0
x−2=0
and/or
x+10=0
x = 2 and/or x = -10

Answer(a); // soil salinization and waterlogging;