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Mathematics 13 Online
OpenStudy (anonymous):

Could you help me factor this? 8y^3+24y^2-7y-21 Thank you!

OpenStudy (anonymous):

You can factor by grouping. Or you can use Long division and synthetic division.

OpenStudy (anonymous):

Why don't you try substituting x = -3 into the function and see what you get?

OpenStudy (precal):

do you still need help?

OpenStudy (precal):

|dw:1375812211730:dw|

OpenStudy (precal):

quick test to show you that you can use factoring by grouping

OpenStudy (precal):

|dw:1375812241504:dw|

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