What is expand (-7x-2y=-1,3)(x-2y=11) ?

The solution to expand (-7x-2y=-1,3)(x-2y=11) is -7x^2+14xy=11

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expand (-7x-2y=-1,3)(x-2y=11)

expand

(- 7 x - 2 y = - 1, 3) (x - 2 y = 11)

- 7 x^{2} + 14 x y = 11

Solution steps

(- 7 x - 2 y = - 1, 3) (x - 2 y = 11)

= (- 7 x - 2 = y - 1 \cdot 3,) (x - 2 \cdot 11 = y)

Distribute parentheses

= (- 7 x) x + (- 7 x) (- 2 y = 11) + (- 2 y =) x + (- 2 y =) (- 2 y = 11) + (- 1, 3) x + (- 1, 3) (- 2 y = 11)

Apply minus-plus rules

+ (- a) = - a, (- a) (- b) = ab

- 7 xx + 7 \cdot 2 x y = 11 - 2 y = x + 2 y = 2 y = 11 - 1, 3 x + 1, 3 \cdot 2 y = 11

Expand

- 7 xx + 7 \cdot 2 x y : - 7 x^{2} + 14 x y

- 7 x^{2} + 14 x y = 11

, I n (9 x - 3)

(x - \frac{3}{x})^{10}

sin (x) (sin (x) + sin (x) cos (x) - y)

\frac{x ^{3} + 3}{( x + 2 ) ( 2 x - 1 )}

- \frac{x + 8}{3 x ( x - 8 )}

What is expand (-7x-2y=-1,3)(x-2y=11) ?
The solution to expand (-7x-2y=-1,3)(x-2y=11) is -7x^2+14xy=11