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Mathematics 7 Online
OpenStudy (anonymous):

Find the following product: 7z(-7z^3+4z^2-9)

OpenStudy (vishal_kothari):

-49z^3+28z^2-63z

OpenStudy (nubeer):

-49z^4+28z^2-63z

OpenStudy (vishal_kothari):

ya it's 4

OpenStudy (anonymous):

\[7z(-7z^3 + 4z^2 - 9)\] \[-49z^4 + 28z^2 - 63z\]

OpenStudy (anonymous):

thanks for the help everyone

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