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OpenStudy (anonymous):
15x^-135/25x^-225
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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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