SOLUTION: 4. I need help solving this using factoring. I appreciate all help. Thank you. 5x^2 = 2x - 7x^2

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: 4. I need help solving this using factoring. I appreciate all help. Thank you. 5x^2 = 2x - 7x^2       Log On


   

Question 157032: 4. I need help solving this using factoring. I appreciate all help. Thank you.


5x^2 = 2x - 7x^2
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
5x^2 = 2x - 7x^2
5x^2+7x^2-2x=0
12x^2-2x=0
2x(6x-1)=0
2x=0
x=0/2
x=0 answer.
6x-1=0
6x=1
x=1/6 answer.
Proof:
5(1/6)^2=2*1/6-7(1/6)^2
5/36=2/6-7/36
5/36=(2*6)/36-7/36
5/36=12/36-7/36
5/36=5/36