SOLUTION: Solve the equation: 3x (x-7)=(2x+8)(x-7) *Please show work :) Thank you!

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Solve the equation: 3x (x-7)=(2x+8)(x-7) *Please show work :) Thank you!      Log On


   

Question 604628: Solve the equation: 3x (x-7)=(2x+8)(x-7)
*Please show work :) Thank you!
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
expanding both sides ___ 3x^2 - 21x = 2x^2 - 6x - 56

subtracting ___ x^2 - 15x + 56 = 0

factoring ___ (x - 8)(x - 7) = 0

x - 8 = 0 ___ x = 8

x - 7 = 0 ___ x = 7