SOLUTION: Please explain how to get the answer for: (4x+3)(3x-1)-(5x-3)(x+2)=(7x+9)(x-3) The answer is -3 but I get stuck half way through...Thanks very much

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Please explain how to get the answer for: (4x+3)(3x-1)-(5x-3)(x+2)=(7x+9)(x-3) The answer is -3 but I get stuck half way through...Thanks very much      Log On


   



Question 23252: Please explain how to get the answer for:
(4x+3)(3x-1)-(5x-3)(x+2)=(7x+9)(x-3) The answer is -3 but I get stuck half way through...Thanks very much

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Use FOIL to get:
12x^2+5x-3 -[5x^2+7x-6]=[7x^2-12x-27]
7x^2-2x+3 = 7x^2-12x-27
10x = -30
x = -3
Cheers,
Stan H.