tuscany44
tuscany44
25-06-2014
Mathematics
Answered
Multiply and simplify.
(a - 2b) (2a - b) (a + 2b)
Answer :
konrad509
konrad509
25-06-2014
[tex](a - 2b) (2a - b) (a + 2b)=\\ (2a-b)(a^2-4b^2)=\\ 2a^3-8ab^2-a^2b+4b^3=\\ 2a^3-a^2b-8ab^2+4b^3[/tex]
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