What is expand (6x-2y=1,2)(12x-4y=14) ?

The solution to expand (6x-2y=1,2)(12x-4y=14) is 72x^2-24xy=14

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expand (6x-2y=1,2)(12x-4y=14)

expand

(6 x - 2 y = 1, 2) (12 x - 4 y = 14)

72 x^{2} - 24 x y = 14

Solution steps

(6 x - 2 y = 1, 2) (12 x - 4 y = 14)

= (6 x - 2 \cdot 1 \cdot 2 =, y) (12 x - 4 \cdot 14 = y)

Apply FOIL method:

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

a = 6 x, b = - 2 y = 1, 2, c = 12 x, d = - 4 y = 14

= 6 x \cdot 12 x + 6 x (- 4 y = 14) + (- 2 y = 1, 2) \cdot 12 x + (- 2 y = 1, 2) (- 4 y = 14)

Apply minus-plus rules

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

6 \cdot 12 xx - 6 \cdot 4 x y = 14 - 2 y = 1, 2 \cdot 12 x + 2 y = 1, 2 \cdot 4 y = 14

Expand

6 \cdot 12 xx - 6 \cdot 4 x y : 72 x^{2} - 24 x y

72 x^{2} - 24 x y = 14

\frac{10}{s ( s ^{2} + 4 )}

(3 (y + 2) d x - x d y = 0) \frac{1}{x d x}

l (4 - e^{2 t} cos (t))

60 + 10 (\frac{20}{8})

cos (2) (x - \frac{π}{4})

What is expand (6x-2y=1,2)(12x-4y=14) ?
The solution to expand (6x-2y=1,2)(12x-4y=14) is 72x^2-24xy=14