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OpenStudy (anonymous):
-5x^5(9x^4-3) is it -45x^9+15x
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OpenStudy (goldphenoix):
Not quite, I believe.
OpenStudy (goldphenoix):
\[\large \large -5x^5(9x^4-3)\] -5x^5 * 9x^4 does give us -45x^9. Though, -5x^5 * -3 = 15x ? Are you sure?
OpenStudy (anonymous):
15x^6 ?
OpenStudy (anonymous):
or 15x^5
OpenStudy (goldphenoix):
15x^5*
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OpenStudy (goldphenoix):
So your final answer would be?
OpenStudy (anonymous):
-45x^9+15x^5
OpenStudy (goldphenoix):
Correct! :) I hope this help!
OpenStudy (anonymous):
8w^2(5w^3-5w+5) is it 40w^5-40w^3+40w^2 @GoldPhenoix
OpenStudy (goldphenoix):
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