1. ## Factoring Completely

Is this expression factored completely?

$(2a^{2} - ab)(4a^{4} + 2a^{3}b + a^{2}b^{2})$

2. Originally Posted by absvalue
Is this expression factored completely?

$(2a^{2} - ab)(4a^{4} + 2a^{3}b + a^{2}b^{2})$
not quite, those terms in ( ... ) still have common factor(s)

$a(2a-b) \cdot a^2(4a^2 + 2ab + b^2)$

finish ...

3. Thanks. So the expression wasn't factored completely because the common factor $a$ was in the first term, and the common factor $a^{2}$ was in the second?