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Mathematics 20 Online
OpenStudy (anonymous):

okay I really can't remember how to factor polynomials...can ANYone help me? my problem is... x(exp.3)-19x(exp.2)+84x=0

OpenStudy (anonymous):

take a factor of x out

OpenStudy (anonymous):

x(x^2-19x+84)=0 x(x-7)(x-12)=0 Therefore, x=0,7,12

OpenStudy (anonymous):

thank you(:

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