How do you add $(a^3 - 2a^2) - (3a^2 - 4a^3)$ ?

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Answer 1 · 2015-05-18T12:04:36

$(a^3 - 2a^2) - (3a^2 - 4a^3)$
$=a^3 - 2a^2 - 3a^2 + 4a^3$

We group the Like Terms

$= (a^3+4a^3) + (- 2a^2 - 3a^2)$
$= color(green)(5a^3 - 5a^2$

How do you add (a^3 - 2a^2) - (3a^2 - 4a^3)(a^3 - 2a^2) - (3a^2 - 4a^3)?