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Mathematics 15 Online
OpenStudy (anonymous):

15x^-135/25x^-225

OpenStudy (anonymous):

i know i have to factor the numerator and denominator but i keep getting different way i can do it and i dont know which one to use. how do you know which one to use?

OpenStudy (ash2326):

we have \[ 15x^{-135}/25x^{-225}\] \[ 15/25 x^{(-135+225)}\] \[3/5 x^{90}\]

OpenStudy (anonymous):

\[3x ^{90}/5\]

OpenStudy (anonymous):

oops didn't see the x!

OpenStudy (anonymous):

ok i worked it out and got 3/5

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