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March 30, 2017

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simplify:

7y-3y-x^2+4x^2

how do i add x^2 to 4x^2?
what will the result be?

i know that 2x^2-x^2 = x^2....but not how to do the above

  • math - ,

    4 x^2 - 1 x^2 = 3 x^2

    7 y - 3 y = 4 y

    so
    3 x^2 + 4 y

  • math - ,

    omg! thank you! i get it now! :D

  • math - ,

    Good ! You are welcome.

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