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Mathematics 9 Online
OpenStudy (anonymous):

factor f(x)=4x^3-5x^2-79x+20 into linear factors given that -4is a zero? please help

OpenStudy (anonymous):

If you know that x = -4 is a zero does that meant that (x+4)=0?

OpenStudy (anonymous):

yes i believe so

OpenStudy (anonymous):

Does that mean that you should be able to factor f(x)=4x^3-5x^2-79x+20 by (x+4) to get a quadratic? try to divide f(x) by (x+4)

OpenStudy (anonymous):

gotta go, good luck!

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