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Pre-Algebra 14 Online
OpenStudy (anonymous):

Help?

OpenStudy (anonymous):

\[\frac{ q-3 }{ -5 } \times \frac{ 3q }{ q-4 }\]

OpenStudy (anonymous):

do the top and bottom seperatly first so (q-3)3q= and -5(q-4)=

OpenStudy (anonymous):

3q^2-6q and -5q+20

OpenStudy (anonymous):

3q^2 - 9q for the numerator

OpenStudy (anonymous):

\[\frac{ 3q^2-9q }{ -5+20 }\]

OpenStudy (anonymous):

-5q***

OpenStudy (anonymous):

Duh. Lol. I'm just tired.

OpenStudy (anonymous):

Now how do I find the restrictions?

OpenStudy (anonymous):

Well the excluded values?

OpenStudy (anonymous):

set then bottom = to 0 and any values you get are restricted bc you can not divide by 0

OpenStudy (anonymous):

I think it's \[q \neq5\]

OpenStudy (anonymous):

4 bc 4*5=20 and 20-20=0

OpenStudy (anonymous):

Yeah sorry. I forgot the +20 on the bottom.

OpenStudy (anonymous):

glad to help

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