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OpenStudy (anonymous):
Find the sum 5n^3 + 4n^2 - 9 and -2n^3 + 7n - 5
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OpenStudy (anonymous):
5n^3 +4n^2 +0n -9 -2n^3 +0n^2 +7n -5
OpenStudy (anonymous):
thats not the answer
OpenStudy (anonymous):
??
OpenStudy (anonymous):
5n^3 +4n^2 +0n -9 -2n^3 +0n^2 +7n -5 ---------------------------- 3n^3 +4n^2 +7n -14
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