SOLUTION: Solve the equation: 3x (x-7)=(2x+8)(x-7)
*Please show work :) Thank you!
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Question 604628: Solve the equation: 3x (x-7)=(2x+8)(x-7)
*Please show work :) Thank you!
Answer by scott8148(6628) (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
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