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Mathematics 15 Online
OpenStudy (anonymous):

factor 72x^2-x-1

OpenStudy (anonymous):

(8x-1)(9x+1)

OpenStudy (anonymous):

what method did you use ?

OpenStudy (anonymous):

oh nvm, thanks !

OpenStudy (anonymous):

Find two numbers, A and B, where: A*B=a*c=72*(-1) A+B=b=-1

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