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add. (5r^4-3r^3+3r^2+14r-8)+(r^5+8r^3+7r^2-3r+5)+(-8r^4+r^2-8r-9)the answer I came up with is r^5-3r^4+5r^3+11r^2+3r-12.

This is my first time doing this can someone help me to see if this is correct.That is one whole equation.

  • Algebra -

    I agree with your answer. Nice job!

  • Algebra -


  • Algebra -

    How to solve multiply out

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