SOLUTION: Solve: 2x(x+5)=100

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Solve: 2x(x+5)=100      Log On


   

Question 260229: Solve:
2x(x+5)=100
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Solve:
2x(x+5)=100
x(x+5) = 50
x^2 + 5x - 50 = 0
Factor:
(x-5)(x+10) = 0
x = 5 or x = -10
========================
Cheers,
Stan H.