I cannot remember how to work this problem but here is what I think I am suppose to do.

The problem states "Solve and give the solutions x=

5x+x(x-2)=0

do I mulitply

5x+x^2 -2x = 0

3x + x^2 = 0

3x - 3x + x^2 = 0 - 3x

This is the point were I feel I am on the wrong track can you help?