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Mathematics 8 Online
OpenStudy (anonymous):

Factor the Polynomial 27x^3 – 27.

OpenStudy (solomonzelman):

\[27x^3-27\]is same as \[(3x)^3-3^3\]

OpenStudy (solomonzelman):

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

OpenStudy (solomonzelman):

use 3x instead of a, and use 3 instead of b.

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