SOLUTION: Please help me solve this problem. Solve for x. 4x(x-4)-5x(x-3)=0 thank you!

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Please help me solve this problem. Solve for x. 4x(x-4)-5x(x-3)=0 thank you!      Log On


   

Question 473776: Please help me solve this problem.
Solve for x.
4x(x-4)-5x(x-3)=0
thank you!
Answer by sonya(5) About Me  (Show Source):
You can put this solution on YOUR website!
4x^2-5x^2-16x-15x=0
-x^2-x=0
-1(x^2+x)=0
x^2+x=0
-1^2+-1=0
x=-1