X squared plus 5x

1. If the question is only to factor this expression:

x^2 + 5x = x(x + 5)

2. If the question is to solve the equation x^2 + 5x = 0:

x^2 + 5x = 0 factor it;

x(x + 5) = 0

x = 0 or

x + 5 =0 subtract 5 to both sides;

x = - 5