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Janelle wants to enlarge a square graph that she has made so that a side of the new graph will be 1 inch more than twice the original side s. What trinomial represents the area of the enlarged graph?

  • algebra -

    (s+1)^2 = s^2 + 2s + 1

  • algebra -

    (s+1)(s+1) = s^2 + s + s + 1

    that equals s^2 + 2s + 1.

    you are absolutely correct! good job!

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