What is expand (7,1)y(7,-5) ?

The solution to expand (7,1)y(7,-5) is 7(7*1,)y,-5(7*1,)y

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expand (7,1)y(7,-5)

expand

(7, 1) y (7, - 5)

7 (7 \cdot 1,) y, - 5 (7 \cdot 1,) y

Solution steps

(7, 1) y (7, - 5)

= (7 \cdot 1,) (7, - 5) y

Apply the distributive law:

a (b - c) = ab - a c

a = (7, 1) y, b = 7,, c = 5

= (7, 1) y \cdot 7, - (7, 1) y \cdot 5

= 7 (7 \cdot 1,) y, - 5 (7 \cdot 1,) y

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What is expand (7,1)y(7,-5) ?
The solution to expand (7,1)y(7,-5) is 7(7*1,)y,-5(7*1,)y