Question
Multiply: $3x, 5x^2y$ and $2y$

Answer

Product of $3x, 5x^2y$ and $2y$
$= 3x + 5x^2y \times 2y$
$= 3 \times 5 \times 2 \times x \times x^2 \times y \times y$
$= 30x^3y^2$​​​​​​​

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