SOLUTION: (5x2 + 7y - 6z2), (4y + 3x2), (2y - 2x2) all my problem says to do is add. I cant remember how to do this

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Question 177090: (5x2 + 7y - 6z2), (4y + 3x2), (2y - 2x2) all my problem says to do is add. I cant remember how to do this
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
5x^2+7y-6z^2
3x^2+4y
-2x^2+2y
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6x^2+13y-6z^2 ans.