What is expand (x-2y=6,3)(x-6y=18) ?

The solution to expand (x-2y=6,3)(x-6y=18) is x^2-6xy=18

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expand (x-2y=6,3)(x-6y=18)

expand

(x - 2 y = 6, 3) (x - 6 y = 18)

x^{2} - 6 x y = 18

Solution steps

(x - 2 y = 6, 3) (x - 6 y = 18)

= (x - 2 \cdot 6 \cdot 3 =, y) (x - 6 \cdot 18 = y)

Apply FOIL method:

(a + b) (c + d) = a c + a d + b c + b d

a = x, b = - 2 y = 6, 3, c = x, d = - 6 y = 18

= xx + x (- 6 y = 18) + (- 2 y = 6, 3) x + (- 2 y = 6, 3) (- 6 y = 18)

Apply minus-plus rules

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

xx - 6 x y = 18 - 2 y = 6, 3 x + 2 y = 6, 3 \cdot 6 y = 18

Expand

xx - 6 x y : x^{2} - 6 x y

x^{2} - 6 x y = 18

\frac{5 ( 11257 - 75 )}{64}

2 \frac{1}{4} (- 15.2)

(x + 1) d y - (3 y + (x + 1)^{4}) d x

, (- 5 - 2 i) - (2 + 3 i)

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

What is expand (x-2y=6,3)(x-6y=18) ?
The solution to expand (x-2y=6,3)(x-6y=18) is x^2-6xy=18