What is expand (1,-1,1)y(0,4,4) ?

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

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expand (1,-1,1)y(0,4,4)

expand

(1, - 1, 1) y (0, 4, 4)

1 \cdot (0 \cdot 4 \cdot 4,,) y, - 1 \cdot (0 \cdot 4 \cdot 4,,) y, 1

Solution steps

(1, - 1, 1) y (0, 4, 4)

= (1, - 1 \cdot 1,) (0 \cdot 4 \cdot 4,,) y

Apply the distributive law:

a (b - c) = ab - a c

a = y (0, 4, 4), b = 1,, c = 1, 1

= y (0, 4, 4) \cdot 1, - y (0, 4, 4) \cdot 1, 1

= 1 \cdot (0 \cdot 4 \cdot 4,,) y, - 1 \cdot (0 \cdot 4 \cdot 4,,) y, 1

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