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March 28, 2017

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Simplify the expression: (w+5)^2

My answer: w^2+25

  • Algebra - ,

    I don't thinks it's +25 but I do think it's +10 as 2x5=10.
    you could always try a genrator on google.
    tell me how you get on.

  • Algebra - ,

    (w+5)^2 = (w+5)(w+5)
    = w^2 + 10w + 25

    you could have easily discovered your answer was wrong by substituting in a value for w, say w=1

    (w+5)^2 = (1+5)^2 = 6^2 = 36
    w^2+25 = 1+25 = 26
    Bzzzzt!

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