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28 June, 14:39

If one factor of 21xy^3-15x^2y^2 is 3xy^2, what is the other factor

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  1. 28 June, 14:56
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    Answer: The other factor = 7y - 5x

    Step-by-step explanation:

    If one factor of 21xy^3-15x^2y^2 is 3xy^2, other factor will be achieved by dividing the expression by the known factor

    21xy^3-15x^2y^2 : 3xy^2

    Factorise the numerator

    3xy^2 (7y - 5x) / 3xy^2

    3xy^2 will cancel each other

    The other factor = 7y - 5x
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