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March 5, 2015

March 5, 2015

Posted by **Anonymous** on Wednesday, December 7, 2011 at 10:58am.

i dont understand this the answer is (2x-y)(x-3y)^2/4(x-1)(x+1)(x+2y)^2

- Urgent math -
**Reiny**, Wednesday, December 7, 2011 at 11:20amIt factors to

2(x+2y)/((2x+1)(x+2)) * (2x-y)(2x+y)/((8(x+1)(x-1)) * (x-3y)(x-3y)/((+2y)(x+2y)) , I changed the division at the end to multiplication by "flipping" the fraction

= (2x-y)(x-3y)^2 / [ 4(x+1)(x-1)(x+2y)^2 ]

= their answer

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