Solve:
$4 y (3 y^{2} + 5 y - 7) + 2 (y^{3} - 4 y^{2} + 5)$

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Solution

We have,
$4 y (3 y^{2} + 5 y - 7) + 2 (y^{3} - 4 y^{2} + 5)$
$\Rightarrow 12 y^{3} + 20 y^{2} - 28 y + 2 y^{3} - 8 y^{2} + 10$
$\Rightarrow 14 y^{3} + 12 y^{2} - 28 y + 10$

Hence, this is the answer.

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Similar questions

The sum of $4 y (3 y^{2} + 5 y - 7)$ and $2 (y^{3} - 4 y^{2} + 5)$ is $14 y^{3} + 12 y^{2} + 28 y + 10.$

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Add: $5 + y - 3 y^{2} + 2 y^{3}, - 8 + 3 y + 7 y^{3}$ and $3 - 8 y - 4 y^{3} + 2 y^{2}$

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