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OpenStudy (anonymous):
Please help!! 1. Simplify (4mn^2)(-3m^4n^3) A. -12m^4n^6 B. 1m^5n^5 C. -12m^5n^5 2. Multiply 4(x^3 - 2x + 4) A. 4x^3 - 2x + 4 B. 4x^3 - 8x + 16 C. 4x^3 + 2x + 8 3. Multiply 3mn(4m + 8n) A. 12mn + 24mm B. 12mn + 8n C. 12m^2n + 24mn^2
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OpenStudy (anonymous):
the first one is \[-12m^5n^5\]
OpenStudy (anonymous):
the second one is \[4x^3-8x+16\]
OpenStudy (anonymous):
How did you get it?
OpenStudy (anonymous):
Oh, and what is the third one?
OpenStudy (anonymous):
and the last one is \[12m^2n+24mn^4\]
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OpenStudy (anonymous):
go to www.mathway.com
OpenStudy (anonymous):
i hope it helps
OpenStudy (anonymous):
C., B., C.
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