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OpenStudy (anonymous):
please help: if g(x)=x^3+3 h(x)=3x+2 Find (3g+3h)(-x) and explain the answer please
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OpenStudy (anonymous):
\[3g+3h(-x)=3g(-3)+3h(-x)=3((-x)^3+3)+3(3(-x)+2)\]
OpenStudy (anonymous):
then some algebra to get \[3(-x^3+3)+3(-3x+2)\] \[-3x^3+9-9x+6\] \[-3x^3-9x+15\]
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