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OpenStudy (anonymous):
Simplify (8j^3 + 3j^2 + 7) − (3j^3 − 7j^2 − 7j − 12)
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OpenStudy (anonymous):
I think its either 5j^3+10j^2+7j+19 or 5j^3+10j^2-7j+19 ... I'm just confused about the negatives pertaining to the 7j.
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