What is expand (3,-1,-2)left(-1,4,2) ?

The solution to expand (3,-1,-2)left(-1,4,2) is 3e(-1*4*2,,)lft,-1e(-1*4*2,,)lft,-2e(-1*4*2,,)lft

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expand (3,-1,-2)left(-1,4,2)

expand

(3, - 1, - 2) l e f t (- 1, 4, 2)

3 e (- 1 \cdot 4 \cdot 2,,) l f t, - 1 e (- 1 \cdot 4 \cdot 2,,) l f t, - 2 e (- 1 \cdot 4 \cdot 2,,) l f t

Solution steps

(3, - 1, - 2) l e f t (- 1, 4, 2)

= e (3, - 1, - 2) (- 1 \cdot 4 \cdot 2,,) l f t

Distribute parentheses

= l e f t (- 1, 4, 2) \cdot 3, l e f t (- 1, 4, 2) (- 1,) + l e f t (- 1, 4, 2) (- 2)

Apply minus-plus rules

+ (- a) = - a

= 3 e (- 1 \cdot 4 \cdot 2,,) l f t, - 1 e (- 1 \cdot 4 \cdot 2,,) l f t, - 2 e (- 1 \cdot 4 \cdot 2,,) l f t

(\frac{3 x}{2}) (x - 2) (- 3 x + 6) (x^{2} - 3 x + 1)

- x (c (ln (x) + 1))

Z e x (2 + 3 e x) 5 d x

- 10 sin (t) (5 sin (t) - 3) + 25 cos (t) (5 cos (t) + 1)

(m + 7) (m + 3)^{'}

What is expand (3,-1,-2)left(-1,4,2) ?
The solution to expand (3,-1,-2)left(-1,4,2) is 3e(-1*4*2,,)lft,-1e(-1*4*2,,)lft,-2e(-1*4*2,,)lft