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OpenStudy (anonymous):
factor 15x^3-6x^2-25x+10 by grouping. how do you do this?
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OpenStudy (anonymous):
group as: (15x^3 -25x) -(6x^2-10)
OpenStudy (anonymous):
=5x(3x^2-5)-2(3x^2-5)=(5x-2)*(3x^2-5)
OpenStudy (anonymous):
are we ok?
OpenStudy (anonymous):
is that what you do with most of them is put a squared number and a normal number together?
OpenStudy (anonymous):
most of the time... you are trying to recognize common multiplier(s) it not always easy, so you may try few variations....:)
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OpenStudy (anonymous):
okay thank you ( :
OpenStudy (anonymous):
welcome!
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