how to use fraction busters?

well my teacher tried to teach our class fraction busters or like when you multiply 1 over x plus 3x over 2 = x over 5 or something like that. I didnt realy get the concept so if i could get some... more

04/01/13

1.simplify. write in standard form 2. factor each polynomial

-7y2(-4y3+6y)   15xy4+60x2y3  

6/(x+4) - 2/(x-3) = 3

used lowest common denominator to find x

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