Asked by Anonymous

Simplify the rational expression
(x^2+xy-2y^2)/(x^2+3xy+2y^2)
Answered by Reiny
did you try factoring both expressions?
They factor quite easily.
Then divide out the common factor, don't forget to state the restriction.
Answered by Anonymous
But it has two variables?
Answered by Damon
Simplify the rational expression
(x^2+xy-2y^2)/(x^2+3xy+2y^2)

Algebra 2 - Damon, Thursday, March 27, 2014 at 11:04am

[ (x-y)(x+2y) ] / [(x+2y)(x+y) ]

= (x-y)/(x+y)
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