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Mathematics 12 Online
OpenStudy (anonymous):

Checking math:

OpenStudy (anonymous):

\[\frac{3y^{2} - 6y}{3y^{2} - 15y}\] \[\frac{3 - 6}{3 - 15}\] = \[-\frac{3}{12}\] is the final answer I came up with. Because the variables cancel each other out.

OpenStudy (anonymous):

Or, did I do this wrong and I should FOIL? I'm going to try that while I wait a reply.

OpenStudy (anonymous):

(y-3) / (y-5) Factor 3y from both denominator and numerator. You get 3y(y-3) / 3y(y-5)

OpenStudy (anonymous):

Yeah, thats what I was thinking. Alright.

OpenStudy (anonymous):

But wait, how would I get 3y(y-3) for the numerator? Wouldn't that distrubite to be 3y^2 - 9y instead of 6y?

OpenStudy (anonymous):

Wouldn't it be 3y(y-2) / 3y(y-5) ?

OpenStudy (anonymous):

You cancel the 3y s

OpenStudy (anonymous):

and yes upper part should be y-2 not y-3

OpenStudy (anonymous):

Alright, thats all I needed to know. Thankis for the help :)

OpenStudy (anonymous):

no probs

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