kmcneill2020
Stuck! *sighs* (-2x^2)(x^-5)^2
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gaara438125
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you might want to re-write this problem...
kmcneill2020
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\[(-2x^2)(x^-5)^2\]
gaara438125
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\[(x - 5)^2 = (x - 5)(x - 5)\]
so \[(x - 5)(x - 5)\]
FOIL that to get what?
kmcneill2020
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\[x^2-10x+25?\]
gaara438125
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yeah then we do \[2x^2(x^2 - 10x + 25)\]
kmcneill2020
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Which is \[x^4-20x^3+50x^2?\]
gaara438125
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yeah, but idk if your teacher or whoever wants the simplified version or not lol
\[-2x^4-20x^3+50x^2?\] ^^^^^ i think that's what you meant, but you missed the -2
kmcneill2020
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Lol! Thank you so much!
gaara438125
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hit that best response if you would :P
kmcneill2020
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May you please help with this one:\[(4/3)^{-6}\]
gaara438125
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ok so, since it's to the negative sixth power, we take the reciprocal of the number and then the power becomes positive and we put it in the denominator.