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OpenStudy (anonymous):
Factor: 4x^2+x-3 How do you work this out?
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OpenStudy (anonymous):
x= 4x -3x Try it out
OpenStudy (anonymous):
It asks to use the grouping method and I don't understand how to use that. I have the answer I just don't know how to get there.
OpenStudy (anonymous):
4x^2 + 4x - 3x - 3 4x(x +1 ) -3 (x+1)
OpenStudy (anonymous):
(x+1)(4x-3)
OpenStudy (anonymous):
^^Now you know
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OpenStudy (anonymous):
okay but how do you use the grouping method?
OpenStudy (anonymous):
http://planetmath.org/encyclopedia/GroupingMethodForFactorizingPolynomials.html
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