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OpenStudy (anonymous):
Which is a factored form of 27x^3+64?
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OpenStudy (solomonzelman):
\[HINT:~~~~~~~27x^3=(3x)^3~~~~~and~~~~~64=4^3\]\[Also:~~~~~~a^3+b^3=(a+b)(a^2-ab+b^2)\]
OpenStudy (anonymous):
Okay so is my answer (3x+4)(9x^2-12x+16)?
OpenStudy (solomonzelman):
Yes!
OpenStudy (anonymous):
Thank you!
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