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Mathematics 17 Online
OpenStudy (anonymous):

Factor. 7x^5-42x^3

OpenStudy (saifoo.khan):

factor the GCf first.

OpenStudy (anonymous):

\[7x^3(x^2-6) = 7x^3(x-\sqrt6)(x+\sqrt6)\]

OpenStudy (anonymous):

Thanks

OpenStudy (anonymous):

6z^2+12z-az-2a... in this problem is the root -2? And if so how do i find the 2nd root?

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