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posted by B.B. on Wednesday, April 21, 2010 at 10:14am.
Did I do this problem right? Add. (x^9-2)+(x^9+2). Here is what I did: (x+x)^9+(-2+2) 2x^9+0 Is this correct? If not could you please explain it to me? Thanks.
Right! However, you do not need to include "+0."
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