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March 30, 2017

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Square the expression. Write your answer in simplest form.

(-8 – 9 11)2

How do you do this?

  • Math - ,

    (-8 – 9 11)2

    Are you sure you've typed this correctly?

    What is "9 11"?

  • Math - ,

    there's supposed to be a square root symbol there.. Silly computer.

  • Math - ,

    So we have
    (-8 - 9√11)^2 ?
    = 64 + 144√11 + 81(11)
    = 955 + 144√11

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