What is expand (1,1,1)X(-1,-10,1) ?

The solution to expand (1,1,1)X(-1,-10,1) is -1*(1*1*1,,)X,-10(1*1*1,,)X,1

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expand (1,1,1)X(-1,-10,1)

expand

(1, 1, 1) X (- 1, - 10, 1)

- 1 \cdot (1 \cdot 1 \cdot 1,,) X, - 10 (1 \cdot 1 \cdot 1,,) X, 1

Solution steps

(1, 1, 1) X (- 1, - 10, 1)

= (1 \cdot 1 \cdot 1,,) (- 1, - 10 \cdot 1,) X

Apply the distributive law:

a (b - c) = ab - a c

a = (1, 1, 1) X, b = - 1,, c = 10, 1

= (1, 1, 1) X (- 1,) - (1, 1, 1) X \cdot 10, 1

Apply minus-plus rules

+ (- a) = - a

= - 1 \cdot (1 \cdot 1 \cdot 1,,) X, - 10 (1 \cdot 1 \cdot 1,,) X, 1

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What is expand (1,1,1)X(-1,-10,1) ?
The solution to expand (1,1,1)X(-1,-10,1) is -1*(1*1*1,,)X,-10(1*1*1,,)X,1