Question:

Math Problem????????????????

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Can someone explain how to solve this? Thanks

3√2xy - 2√50xy

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  1. 3 (under root 2) xy - 2 (under root 5*5*2) xy

    => 3(under root 2)xy- 2*5(under root 2)xy

    => 3(under root 2)xy -10 (under root 2)xy

    => -7 (under root 2)xy  (answer)


  2. 3√2xy - 2√50xy =

    3√xy - 2√25*2xy

    3√xy - 2√25√2xy

    3√xy - 10√2xy

    -7√2xy

    or

    -7√2√xy

    -7(1.414)√xy

    -9.898√xy

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