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Mathematics 9 Online
OpenStudy (anonymous):

how do we factor (3n-2)^2 ÷ 3^n

OpenStudy (amistre64):

exapnd it out

OpenStudy (anonymous):

\[{(3n-2)^{2} \over 3^{n}} \]\[{(9n^{2} - 12n +4) \over (3^{n})} \] that's all i can get.. is that what it is ?

OpenStudy (amistre64):

3n^2 -12n +4 ------------- you sure you typed it right? 3^n

OpenStudy (amistre64):

9n^2...doh!

OpenStudy (anonymous):

hehe it happens lol

OpenStudy (amistre64):

we can try taking the log of this stuff if so

OpenStudy (amistre64):

umm...why did we expand to get factors :) seems backwards eh

OpenStudy (anonymous):

don't you need an equal to log it out ?

OpenStudy (anonymous):

thank you MathMind and amistre64, helpfull indeed

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