studyopen101
Factor (2x1)^327 as the difference of two cubes. Then simplify each factor.



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abdul_shabeer
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\[(2x1)^33^3\]

abdul_shabeer
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\[a^3b^3 = (ab)(a^2+ab+b^2)\]

abdul_shabeer
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Understood?

EarthCitizen
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Hint!: a=2x1, b =3

meverett04
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(2x  1  3)([2x1]^2 + 3(2x1) + 9)
and now simplify