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Mathematics 22 Online
OpenStudy (anonymous):

medal and fan.c> help please simpify x(x-1)/ x2+1x-30 - 7x-15/x2+1x-30

OpenStudy (anonymous):

Looks like the denominators are the same. So you can add the top Distribute the left top part and do not forget to distribute the negative,-, on the right top part

OpenStudy (anonymous):

a x-3/x-6 b x-3/x+6 c x-5/x+6 d x-3/x-5 e x+3/x+6

OpenStudy (anonymous):

its a b or e

OpenStudy (anonymous):

i think. idkk

OpenStudy (anonymous):

You are correct. The top is, \[x ^{2} -8x +15\] Factor is again and you will get the right sign

OpenStudy (anonymous):

it*

OpenStudy (anonymous):

um is it a?

OpenStudy (anonymous):

\[\frac{ x ^{2}-8x +15 }{ x ^{2} +x -30 }\] Factoring gets you, \[\frac{ (x-3)(x-5) }{ (x-5)(x+6) }\]

OpenStudy (anonymous):

b (: thanks man

OpenStudy (anonymous):

No problem

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