Simplify: $a (2 a + 4 a^{2} - 6 a^{3})$ .

2 a + 4 a^{2} - 6 a^{3}

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2 a^{2} + 4 a^{3} - 6 a^{4}

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2 a^{2} + 4 a^{2} - 6 a^{4}

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2 a^{2} + 4 a^{3} - 6 a^{3}

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Solution

The correct option is B $2 a^{2} + 4 a^{3} - 6 a^{4}$
$a (2 a + 4 a^{2} - 6 a^{3})$
Using the Distributive Property of Multiplication (i.e. A(B+C)=AB + AC), we get
$2 a^{2} + 4 a^{3} - 6 a^{4}$ .

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