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OpenStudy (anonymous):
simplify 9c³+7c-(3c³-12+c) please show work
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OpenStudy (saranya):
distribute the Negative (-) 9c^3+7c-3c^3+12-c 9c^3-3c^3+7c-c+12 = 6c³ + 6c + 12
OpenStudy (anonymous):
Open the bracket and remember : -(+) = -, +(-) = -, -(-) = + \[9c^3 + 7c - 3c^3 + 12 - c\] \[6c^3 + 6c + 12\] is the answer...
OpenStudy (anonymous):
thank you
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