How do you expand and simplify $4(m-2)(3m-1)$ ?

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Answer 1 · 2016-12-10T22:39:52

$12m^2 - 28m + 8$

First, cross multiply the terms within parenthesis by cross multiplying:

$4(3m^2 - m - 6m + 2)$

Next we can combine like terms with the parenthesis:

$4(3m^2 - 7m + 2)$

Now we can distribute the $4$ over the terms within the parenthesis:

$12m^2 - 28m + 8$

How do you expand and simplify 4(m-2)(3m-1)4(m-2)(3m-1)?