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Mathematics
OpenStudy (anonymous):

x^2-x-72/x^2-16x+64 * x-8/x-9 multiply and simplify

OpenStudy (anonymous):

start by factoring out the top and the bottom... then cancel and u should get somthing simpler do that first and post and ill guide u through

OpenStudy (anonymous):

do you know how to factor quadratic equations?

OpenStudy (anonymous):

see first of all u must know the quadratic equation: \[ax^2 + bx +c = (-b \pm \sqrt{b^2-4ac})\div2a\]

OpenStudy (anonymous):

... he doesnt need quadratic

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