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Mathematics 8 Online
OpenStudy (anonymous):

21xy^3y^2-28x^2y^2-7xy^2/-7xy^2

OpenStudy (anonymous):

|dw:1412657427397:dw|

OpenStudy (anonymous):

start by combining like terms! Notice that there is a y^3 and a y^2 in the first term of the numerator. y^3*y^2 = y^5 (multiplying terms with like bases allows you to just add the exponents) |dw:1412657622567:dw|

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