What is expand u(1,2,3)(-1,-2,-3) ?

The solution to expand u(1,2,3)(-1,-2,-3) is -1*(1*2*3,,)u,-2(1*2*3,,)u,-3(1*2*3,,)u

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expand u(1,2,3)(-1,-2,-3)

expand

u (1, 2, 3) (- 1, - 2, - 3)

- 1 \cdot (1 \cdot 2 \cdot 3,,) u, - 2 (1 \cdot 2 \cdot 3,,) u, - 3 (1 \cdot 2 \cdot 3,,) u

Solution steps

u (1, 2, 3) (- 1, - 2, - 3)

= (1 \cdot 2 \cdot 3,,) (- 1, - 2, - 3) u

Distribute parentheses

= u (1, 2, 3) (- 1,) + u (1, 2, 3) (- 2,) + u (1, 2, 3) (- 3)

Apply minus-plus rules

+ (- a) = - a

= - 1 \cdot (1 \cdot 2 \cdot 3,,) u, - 2 (1 \cdot 2 \cdot 3,,) u, - 3 (1 \cdot 2 \cdot 3,,) u

(8 (a + b) + 6 (- z - y)) (8 (a + b) + 6 (y + z))

(x - 4) (x - 2 + 3 i) (x + 2 + 3 i)

(x^{2} + y^{2} + z^{2}) x^{2} + y^{2} + z^{2}

x (200 - \frac{x}{30})

\frac{( x + 1 ) ( x - 1 )}{x}

What is expand u(1,2,3)(-1,-2,-3) ?
The solution to expand u(1,2,3)(-1,-2,-3) is -1*(1*2*3,,)u,-2(1*2*3,,)u,-3(1*2*3,,)u