What is expand (3x+4y=3,2)(5x+6y=30) ?

The solution to expand (3x+4y=3,2)(5x+6y=30) is 15x^2+18xy=30

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expand (3x+4y=3,2)(5x+6y=30)

expand

(3 x + 4 y = 3, 2) (5 x + 6 y = 30)

15 x^{2} + 18 x y = 30

Solution steps

(3 x + 4 y = 3, 2) (5 x + 6 y = 30)

= (3 x + 4 \cdot 3 \cdot 2 =, y) (5 x + 6 \cdot 30 = y)

Apply FOIL method:

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

a = 3 x, b = 4 y = 3, 2, c = 5 x, d = 6 y = 30

3 x \cdot 5 x + 3 x \cdot 6 y = 30 + 4 y = 3, 2 \cdot 5 x + 4 y = 3, 2 \cdot 6 y = 30

3 \cdot 5 xx + 3 \cdot 6 x y = 30 + 4 y = 3, 2 \cdot 5 x + 4 y = 3, 2 \cdot 6 y = 30

Expand

3 \cdot 5 xx + 3 \cdot 6 x y : 15 x^{2} + 18 x y

15 x^{2} + 18 x y = 30

(15 20) 2^{15}

\frac{2 - x ^{4}}{( x + 4 ) ^{3}}

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\frac{x ^{2} + 6 x + 5}{( x - 2 ) ( x ^{2} + x + 1 )}

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What is expand (3x+4y=3,2)(5x+6y=30) ?
The solution to expand (3x+4y=3,2)(5x+6y=30) is 15x^2+18xy=30