What is expand 3((1,1,-1)-2(0,0,4)) ?

The solution to expand 3((1,1,-1)-2(0,0,4)) is 3*1*1,,-3*1-3*2(0*0*4,,)

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expand 3((1,1,-1)-2(0,0,4))

expand

3 ((1, 1, - 1) - 2 (0, 0, 4))

3 \cdot 1 \cdot 1,, - 3 \cdot 1 - 3 \cdot 2 (0 \cdot 0 \cdot 4,,)

Solution steps

3 ((1, 1, - 1) - 2 (0, 0, 4))

= 3 ((1 \cdot 1,, - 1) - 2 (0 \cdot 0 \cdot 4,,))

Expand

3 ((1, 1, - 1) - 2 (0, 0, 4)) : 3 (1 \cdot 1,, - 1) - 3 \cdot 2 (0 \cdot 0 \cdot 4,,)

= 3 (1 \cdot 1,, - 1) - 3 \cdot 2 (0 \cdot 0 \cdot 4,,)

Expand

3 (1 \cdot 1,, - 1) : 3 \cdot 1 \cdot 1,, - 3 \cdot 1

= 3 \cdot 1 \cdot 1,, - 3 \cdot 1 - 3 \cdot 2 (0 \cdot 0 \cdot 4,,)

(4, 6, 8) \cdot (3, x, - 5)

\frac{( n - 3 ) ( n - 4 )}{( n + 3 ) ^{2}}

(5 x y + 4 y^{2} + 1) d x + (x^{2} + 2 x y) d y

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

\frac{3 ( x ^{7} + 2 )}{x}

What is expand 3((1,1,-1)-2(0,0,4)) ?
The solution to expand 3((1,1,-1)-2(0,0,4)) is 3*1*1,,-3*1-3*2(0*0*4,,)