Find the product of $(7 x - 4 y)$ and $(3 x - 7 y)$

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Solution

product of $(7 x - 4 y)$ and $(3 x - 7 y)$
$(7 x - 4 y)$ $(3 x - 7 y)$
$\Rightarrow (7 x) (3 x) - (7 x) (7 y) - (4 y) (3 x) + (4 y) (7 y)$
$\Rightarrow 21 x^{2} - 49 x y - 12 x y + 28 y^{2}$
$\Rightarrow 21 x^{2} + 28 y^{2} - 61 x y$

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Similar questions

$Find the product of (7 x - 4 y) and (3 x - 7 y) .$

(7 x - 4 y)

(3 x - 7 y)

The product of $7 x - 4 y$ and $3 x - 7 y$ is

f (2 x + 3 y, 2 x - 7 y) = 20 x

f (x, y)

13 x y, 7 x, 8 y, - x^{2} y^{2}, - 7 x y, - 200 x, 12 x^{2} y^{2}, 21, - 7 y, - 5 x, 12 x y, - 3 x, 4 y

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