document.write( "Question 541642: I need to Multiply and Solve this Rational Expression. I did it but i don't know if it is right. [x^(3)+y^(3)]/[7y] * [28y^(3)]/[4x+4y]
\n" ); document.write( " I simplified it by reducing the 7y dividing it into 28y^(3) leaving only 4y^(2) then I pulled the 4 out of the denominator on the second fracion. The 4 in the numerator cancels the 4 in the denominator leaving y^(2) in the numerator and (x+y) in the denominator. Then I did the criss cross thing and subracted (x+y) from the denominator from the [x^(3)+y^(3)] in the numerator in the first part leaving me with [x^(2)+y^(2)] times 4y^(2) which gave me a final answer of x^(2)y+y^(3)
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Algebra.Com's Answer #354235 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
\"%28%28x%5E%283%29%2By%5E%283%29%29%2F7y%29%2A%28%2828y%5E%283%29%29%2F%284x%2B4y%29%29\"\r
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