Question
Multiply: $a^3 - 4ab$ and $2a^2b$
✓
Answer
$a^3 - 4ab$ and $2a^2b$
$\Rightarrow 2a^2b \times (a^3 - 4ab)$
$\Rightarrow 2a^5b - 8a^3b^2$
$\Rightarrow 2a^2b \times (a^3 - 4ab)$
$\Rightarrow 2a^5b - 8a^3b^2$
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