SOLUTION: factor completely 7x^2-7x^2y-28x+28xy

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Question 571134: factor completely
7x^2-7x^2y-28x+28xy
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
7x^2-7x^2y-28x+28xy
7x^2(1-y)-28x(1-y)
(1-y)(7x^2-28x)
(1-y)*7x(x-4)
7x(x-4)(1-y)