What is expand (-1,4,-2,1)left(3,5,2,-1) ?

The solution to expand (-1,4,-2,1)left(3,5,2,-1) is -1elft,4,3,5,2,1,4,1-2elft,1*3,5,2,2,1*1

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expand (-1,4,-2,1)left(3,5,2,-1)

expand

(- 1, 4, - 2, 1) l e f t (3, 5, 2, - 1)

- 1 e l f t, 4, 3, 5, 2, 1, 4, 1 - 2 e l f t, 1 \cdot 3, 5, 2, 2, 1 \cdot 1

Solution steps

(- 1, 4, - 2, 1) l e f t (3, 5, 2, - 1)

= e (- 1 \cdot 4,, - 2 \cdot 1,) (3 \cdot 5 \cdot 2,,, - 1) l f t

Expand

(- 1, 4, - 2, 1) (3, 5, 2, - 1) : - 1, 4, 3, 5, 2, 1, 4, 1 - 2, 1 \cdot 3, 5, 2, 2, 1 \cdot 1

= l e f t (- 1, 4, 3, 5, 2, 1, 4, 1 - 2, 1 \cdot 3, 5, 2, 2, 1 \cdot 1)

Expand

l e f t (- 1, 4, 3, 5, 2, 1, 4, 1 - 2, 1 \cdot 3, 5, 2, 2, 1 \cdot 1) : - 1 e l f t, 4, 3, 5, 2, 1, 4, 1 - 2 e l f t, 1 \cdot 3, 5, 2, 2, 1 \cdot 1

= - 1 e l f t, 4, 3, 5, 2, 1, 4, 1 - 2 e l f t, 1 \cdot 3, 5, 2, 2, 1 \cdot 1

5 (- 7 + 14)

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

\frac{184 ( s + 5 )}{s ( s + 4 ) ( s ^{2} + 4 )}

\frac{\partial}{\partial x} ((z) (2 x^{3} - 4 x^{2} - 6 y))

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

What is expand (-1,4,-2,1)left(3,5,2,-1) ?
The solution to expand (-1,4,-2,1)left(3,5,2,-1) is -1elft,4,3,5,2,1,4,1-2elft,1*3,5,2,2,1*1