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19 May, 20:28

Simplify.

7x^3 - 4y^2 - 9x^3+3y^2

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Answers (1)
  1. 19 May, 20:41
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    Step-by-step explanation:

    7x^3-4y^2-9x^3+3y^2

    Combine Like Terms:

    =7x3+-4y2+-9x3+3y2

    = (7x3+-9x3) + (-4y2+3y2)

    =-2x3+-y2
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