Mathematics
factoring polynomials

### Question Description

I need help with a Algebra question. All explanations and answers will be used to help me learn.

27r^3+64

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27r^3+64

=(3r)^3+4^3.            [a3 + b3 = (a + b)3 - 3 a b (a + b) ]

=(3r+4)^3- 3*3r*4(3r+4)

=(3r+4)^3 -36r(3r+4)

whgrab (11484)
Purdue University
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