$(8 x + 9 y) (8 x - 9 y) =$

64 x^{2} - 81 y^{2}

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64 x^{2} + 81 y^{2}

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32 x^{2} + 81 y^{2}

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32 x^{2} - 81 y^{2}

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Solution

The correct option is A $64 x^{2} - 81 y^{2}$
$(8 x + 9 y) (8 x - 9 y)$
$= 64 x^{2} - 81 y^{2}$

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Similar questions

64 x^{2} - 81 y^{2}

Find $64 x^{2} + 81 y^{2} + \frac{144 x y}{48}$ when $x = 11$ and $y = \frac{4}{3}$

y = \frac{4}{3} .

Find the value of the expression

$(64 x^{2} + 81 y^{2} + 144 x y)$ when $x = 11$ and $y = \frac{4}{3}$

64 x^{3} - 729 y^{3}

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