What is expand (6x+3y=1,2)(3x+y=5) ?

The solution to expand (6x+3y=1,2)(3x+y=5) is 18x^2+6xy=5

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expand (6x+3y=1,2)(3x+y=5)

expand

(6 x + 3 y = 1, 2) (3 x + y = 5)

18 x^{2} + 6 x y = 5

Solution steps

(6 x + 3 y = 1, 2) (3 x + y = 5)

= (6 x + 3 \cdot 1 \cdot 2 =, y) (3 x + 5 = y)

Apply FOIL method:

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

a = 6 x, b = 3 y = 1, 2, c = 3 x, d = y = 5

6 x \cdot 3 x + 6 x y = 5 + 3 y = 1, 2 \cdot 3 x + 3 y = 1, 2 y = 5

6 \cdot 3 xx + 6 x y = 5 + 3 y = 1, 2 \cdot 3 x + 3 y = 1, 2 y = 5

Expand

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

18 x^{2} + 6 x y = 5

(- 1)^{x + 1} (\frac{π ^{3}}{x} - \frac{6 π}{x ^{3}})

P (1, 4, 6) Q (- 2, 5, - 1) R (1, - 1, 1)

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

(y + \frac{1}{y ^{2}})^{6}

(x - 4) \times (x + 2)

What is expand (6x+3y=1,2)(3x+y=5) ?
The solution to expand (6x+3y=1,2)(3x+y=5) is 18x^2+6xy=5