Find the following product: 8 a^2(2 a+5 b) - Vidyadip

Question

Find the following product:
$8 a^2(2 a+5 b)$

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Answer

$=8 a 2 \times 2 a+8 a 2 \times 5 b$
$=8 \times 2 \times a^2 \times a+8 \times 5 \times a^2 \times b$
$=16 a^{(2+1)}+40 a^2 b$
$=16 a^2+40 a^2 b$

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