trumpetmaster7777
y5/y9 do you subtract?



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anonymous
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yes

SolomonZelman
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yes you subtract the xponents from each other!

trumpetmaster7777
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It's y to the 5 and y to the 9

anonymous
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dw:1382407166572:dw

UnkleRhaukus
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\[\frac{x^m}{x^n}=x^{mn}\]