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Algebra 23 Online
OpenStudy (anonymous):

[8.02] Select the factors of xy − 4x + 2y − 8. (x − 2)(y + 4) (x + 2)(y − 4) (x − 4)(y + 2) (x + 4)(y − 2)

OpenStudy (anonymous):

I tried this one many times, and always get it wrong!

hero (hero):

This one is slightly different since you don't have a quadratic in standard form to begin with.

OpenStudy (anonymous):

Yeah, this is worse than the other one! I can't do factoring!

hero (hero):

xy - 4x + 2y - 8 x(y - 4) + 2(y - 4) (y - 4)(x + 2)

OpenStudy (anonymous):

Thx so much! :D, I have to pass this course with an A, so that's why I use OpenStudy.

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