What is expand (7,3,2)x(1,-1,5) ?

The solution to expand (7,3,2)x(1,-1,5) is 1*(7*3*2,,)x,-1*(7*3*2,,)x,5

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expand (7,3,2)x(1,-1,5)

expand

(7, 3, 2) x (1, - 1, 5)

1 \cdot (7 \cdot 3 \cdot 2,,) x, - 1 \cdot (7 \cdot 3 \cdot 2,,) x, 5

Solution steps

(7, 3, 2) x (1, - 1, 5)

= (7 \cdot 3 \cdot 2,,) (1, - 1 \cdot 5,) x

Apply the distributive law:

a (b - c) = ab - a c

a = (7, 3, 2) x, b = 1,, c = 1, 5

= (7, 3, 2) x \cdot 1, - (7, 3, 2) x \cdot 1, 5

= 1 \cdot (7 \cdot 3 \cdot 2,,) x, - 1 \cdot (7 \cdot 3 \cdot 2,,) x, 5

(6 - x) (x) d x

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e x (e^{2} x + 3 e x + 9)

What is expand (7,3,2)x(1,-1,5) ?
The solution to expand (7,3,2)x(1,-1,5) is 1*(7*3*2,,)x,-1*(7*3*2,,)x,5