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Mathematics 21 Online
OpenStudy (anonymous):

8a^3+27

OpenStudy (anonymous):

What's the question?

OpenStudy (anonymous):

My question is the how to factor 8a^3+27?

OpenStudy (anonymous):

sum of cubes formula: a^3 + b^3 = (a + b)(a^2 – ab + b^2) a=2a and b=3 in this case

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