SOLUTION: how would you write a quadratic equation if the answer is x=2 and x=-2

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: how would you write a quadratic equation if the answer is x=2 and x=-2      Log On


   

Question 326354: how would you write a quadratic equation if the answer is x=2 and x=-2
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
If x=2 and x=-2, then x-2=0 and x%2B2=0
g%28x%29=%28x-2%29%28x%2B2%29
USe the FOIL method,
g%28x%29=x%5E2-2x%2B2x-4
highlight_green%28g%28x%29=x%5E2-4%29