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Mathematics 8 Online
OpenStudy (anonymous):

Find the roots of x^2-4x=-15

OpenStudy (pfenn1):

Rearrange into the binomial form\[x^2-4x+15=0\]and use the quadratic formula to find the roots. You do you know what that formula is?

OpenStudy (anonymous):

No?

OpenStudy (australopithecus):

use the quadratic formula www.youtube.com/watch?v=EeVqtpuMFOU

OpenStudy (amorfide):

he added 15 to both sides now sub into the formula |dw:1337618680110:dw|

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