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Algebraic Identity: (a + b)^2 = a^2 + b^2 + 2ab

State whether...

Question

State whether the statement is True or False.
Evaluate: $(5 x + 8 y) (3 x + 5 y)$ is equal to $5 x^{2} + 49 x y + 40 y^{2}$ .

A

True

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B

False

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Solution

The correct option is B False
$M u l t i p l y (5 x + 8 y) (3 x + 5 y) = 15 x^{2} + 24 x y + 25 x y + 40 y^{2} = 15 x^{2} + 49 x y + 40 y^{2}$

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