SOLUTION: satsriakaaal please show me how to solve the following graph quadratic equation: x^2+3x=18

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: satsriakaaal please show me how to solve the following graph quadratic equation: x^2+3x=18      Log On


   

Question 2679: satsriakaaal
please show me how to solve the following graph quadratic equation:
x^2+3x=18
Answer by xcentaur(357) About Me  (Show Source):
You can put this solution on YOUR website!
"jo bole so nihaal"
x%5E2%2B3x=18


x%5E2%2B3x-18=0


x%5E2-3x%2B6x-18=0


x%28x-3%29%2B6%28x-3%29=0


%28x-3%29%28x%2B6%29=0


x-3=0 AND x+6=0
Therefore,
x=3,-6


Hope this helps,
best of luck.