State whether the statement is True or False.
$(a - 8 b) (5 a + b)$ is equal to $5 a^{2} - 39 a b - 8 b^{2}$ .

True

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False

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Solution

The correct option is A True
$M u l t i p l y (a - 8 b) (5 a + b) = 5 a^{2} - 40 a b + a b - 8 b^{2} = 5 a^{2} - 39 a b - 8 b^{2}$

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