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Math Help - Multiply

  1. #1
    Junior Member
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    Multiply


    Problem:
    ^3
    √a ( ^3√5a^2 + ^3√625a^2)


    ^3
    √5a^3 + ^3√625a^3 ???
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  2. #2
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by rj2001 View Post

    Problem:
    ^3
    √a ( ^3√5a^2 + ^3√625a^2)


    ^3
    √5a^3 + ^3√625a^3 ???
    Yes, but you can simplify:
    ^3√(5a^3) = a * ^3√(5)

    and
    ^3√(625a^3 ) = ^3√(5*125a^3) = 5a * ^3√(5)

    So:
    ^3√(a) ( ^3√(5a^2) + ^3√(625a^2)) = a * ^3√(5) + 5a * ^3√(5)

    And please use parenthesis!

    -Dan
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