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OpenStudy (anonymous):
Question! Attached is a screen shot.
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hartnn (hartnn):
first notice: x^2/x = x so there is only x in the numerator,right ?
hartnn (hartnn):
ok, now u have -4 in numerator, so what is (-4)^3 ?
hartnn (hartnn):
yes! and there was x in numerator so after cubing its x^3, right ? there is z^2 in denominator, after cubing (z^2)^3=??
hartnn (hartnn):
right so putting it all together now, we have: -64x^3/z^6 right? which is last option...
hartnn (hartnn):
i am always happy to help :)
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hartnn (hartnn):
welcome,bye :)
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