mercycox2020
mercycox2020 mercycox2020
  • 12-10-2018
  • Mathematics
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(-3x)^4 in expanded from

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mimiwhatsup
mimiwhatsup mimiwhatsup
  • 12-10-2018

How to get answer: [tex]\mathrm{Apply\:exponent\:rule}:\quad \left(-a\right)^n=a^n,\:\mathrm{if\:}n\mathrm{\:is\:even}[/tex]

[tex](-3x)^{4} = (3x)^4\\(3x)^4\\\mathrm{Apply\:exponent\:rule}:\quad \left(a\cdot \:b\right)^n=a^nb^n\\=3^4x^4\\3^4=81\\=81x^4[/tex]

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