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March 25, 2017

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When mn+m^2-30n^2 is divided by m-5n, what is the quotient. Thank you

  • Math - ,

    what is (m-5n)(m+6n)/(m-5n) ?

    Don't be put off by the extra variable. You can easily factor

    m^2+m-30, right? That's what you have if n=1.

  • Math - ,

    I don't understand. Then what is the final answer

  • Math - ,

    ahem

    (m-5n)(m+6n)/(m-5n) = m+6n

    !!

  • Math - ,

    There is an interesting video showing how to do long division with two variables at

    http://www.mathsisfun.com/algebra/polynomials-division-long.html

    Scroll most of the way down the page to where the heading is "More than One Variable".

    Follow its method using your problem and it should become clear.

  • Math - ,

    Thanks

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