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Mathematics 9 Online
OpenStudy (anonymous):

7x^3 – 63xy^2 Factor and show work.

OpenStudy (anonymous):

factor out the xs

OpenStudy (anonymous):

= 7x^3 - 63xy^2 = 7x(x^2 - 9y^2) = 7x(x + 3y)(x - 3y)

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