What is expand (12x+4y=15,2)(32x+12y=420) ?

The solution to expand (12x+4y=15,2)(32x+12y=420) is 384x^2+144xy=420

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expand (12x+4y=15,2)(32x+12y=420)

expand

(12 x + 4 y = 15, 2) (32 x + 12 y = 420)

384 x^{2} + 144 x y = 420

Solution steps

(12 x + 4 y = 15, 2) (32 x + 12 y = 420)

= (12 x + 4 \cdot 15 \cdot 2 =, y) (32 x + 12 \cdot 420 = y)

Apply FOIL method:

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

a = 12 x, b = 4 y = 15, 2, c = 32 x, d = 12 y = 420

12 x \cdot 32 x + 12 x \cdot 12 y = 420 + 4 y = 15, 2 \cdot 32 x + 4 y = 15, 2 \cdot 12 y = 420

12 \cdot 32 xx + 12 \cdot 12 x y = 420 + 4 y = 15, 2 \cdot 32 x + 4 y = 15, 2 \cdot 12 y = 420

Expand

12 \cdot 32 xx + 12 \cdot 12 x y : 384 x^{2} + 144 x y

384 x^{2} + 144 x y = 420

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What is expand (12x+4y=15,2)(32x+12y=420) ?
The solution to expand (12x+4y=15,2)(32x+12y=420) is 384x^2+144xy=420