Question
Multiply $: − 5xy$ and $− xy^2 − 6x^2y$
✓
Answer
$(− xy^2 − 6x^2y) \times − 5xy$
$= − xy^2 \times − 5xy − 6x^2y \times − 5xy$
$= 5x^2y^3 + 30x^3y^2$
$= − xy^2 \times − 5xy − 6x^2y \times − 5xy$
$= 5x^2y^3 + 30x^3y^2$
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