What is expand (x+y-z=7,)(-x+3y-3z=1,8)(-z-3y-3z=11) ?

The solution to expand (x+y-z=7,)(-x+3y-3z=1,8)(-z-3y-3z=11) is 3x^2y+4x^2z=11

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expand (x+y-z=7,)(-x+3y-3z=1,8)(-z-3y-3z=11)

expand

(x + y - z = 7,) (- x + 3 y - 3 z = 1, 8) (- z - 3 y - 3 z = 11)

3 x^{2} y + 4 x^{2} z = 11

Solution steps

(x + y - z = 7,) (- x + 3 y - 3 z = 1, 8) (- z - 3 y - 3 z = 11)

= (x + y - 7 =, z) (- x + 3 y - 3 \cdot 1 \cdot 8 =, z) (- z - 3 y - 3 \cdot 11 = z)

Expand

(x + y - z = 7,) (- x + 3 y - 3 z = 1, 8) : - xx + 3 x y - 3 x z = 1, 8 - x y + 3 yy - 3 yz = 1, 8 + z = 7, x - z = 7, 3 y + z = 7, 3 z = 1, 8

= (- xx + 3 x y - 3 x z = 1, 8 - x y + 3 yy - 3 yz = 1, 8 + z = 7, x - z = 7, 3 y + z = 7, 3 z = 1, 8) (- z - 3 y - 3 z = 11)

Expand

(- xx + 3 x y - 3 x z = 1, 8 - x y + 3 yy - 3 yz = 1, 8 + z = 7, x - z = 7, 3 y + z = 7, 3 z = 1, 8) (- z - 3 y - 3 z = 11) : 3 x^{2} y + 4 x^{2} z = 11

3 x^{2} y + 4 x^{2} z = 11

(x + \frac{3}{2}) (x - \frac{5}{2})

\frac{0.2}{s ( s + 0.268 ) ( s + 3.732 )}

(y - 2)^{2} - e

(3 x - 7) (6 x - 2)

(x^{3} + 2^{x}) e^{x + x}

What is expand (x+y-z=7,)(-x+3y-3z=1,8)(-z-3y-3z=11) ?
The solution to expand (x+y-z=7,)(-x+3y-3z=1,8)(-z-3y-3z=11) is 3x^2y+4x^2z=11