How do you find the product of $(m+5)(m^2+4m-8)$ ?

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Answer 1 · 2016-07-19T18:23:36

$=m^3+9m^2+12m-40$

By multiplying each term of the first polynomial by each term of the second one:

$m(m^2+4m-8)+5(m^2+4m-8)$

$=m^3+4m^2-8m+5m^2+20m-40$

$=m^3+9m^2+12m-40$

How do you find the product of (m+5)(m^2+4m-8)(m+5)(m^2+4m-8)?