SOLUTION: 2x(x-5)=168

Algebra ->  Test -> SOLUTION: 2x(x-5)=168      Log On


   

Question 737960: 2x(x-5)=168
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
2x(x-5)=168
2X^2-10X-168=0
2(X^2-5X-84)=0
2(X-12)(X+7)=0
X-12=0
X=12 ANS.
X+7=0
X=-7 ANS.