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Mathematics 20 Online
OpenStudy (anonymous):

5x^2-5x-60=0

OpenStudy (anonymous):

\[= 5(x^2 -x -6)\] So what two numbers multiply together to give -6 and add together to give -1 ?

OpenStudy (anonymous):

err \[=5(x^2 -x - 12)\] so add together to give -1 and multiply to give -12

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