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algebra

posted by on .

what is the simpliest form of the equation
3 sqrt 750 + 3 sqrt 2058 - 3 sqrt 48
possible answers
14 3sqrt6
17.5 3sqrt6
33 3sqrt6
10 3sqrt6

  • algebra - ,

    ∛750 = ∛√125√6 = 5∛6
    √2058 = ∛343∛6 = 7∛6
    √48 = √8√6 = 2∛6

    so we have (5+7+2)∛6 = 14∛6

    use cbrt(n) or cuberoot(n) for ∛n
    sqrt means square root.

  • algebra - ,

    Thank you so much for the help

  • algebra - ,

    the answer was 10 3sqrt6

  • algebra - ,

    oops. I added 2 instead of subtracting. Clever of them to include that wrong choice!

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