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Mathematics 21 Online
OpenStudy (anonymous):

factor by grouping 36x^3 -45x^2 + 4x-5

OpenStudy (saifoo.khan):

9x^2(4x-5) + 1(4x - 5)

OpenStudy (saifoo.khan):

(9x^2 + 1) (4x - 5)

OpenStudy (anonymous):

thanks Saif! :)

OpenStudy (saifoo.khan):

uw.

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