What is expand A(1,-1)B(-7,3) ?

The solution to expand A(1,-1)B(-7,3) is 1*(-7*3,)AB,-1*(-7*3,)AB

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expand A(1,-1)B(-7,3)

expand

A (1, - 1) B (- 7, 3)

1 \cdot (- 7 \cdot 3,) A B, - 1 \cdot (- 7 \cdot 3,) A B

Solution steps

A (1, - 1) B (- 7, 3)

= (1, - 1) (- 7 \cdot 3,) A B

Apply the distributive law:

a (b - c) = ab - a c

a = A B (- 7, 3), b = 1,, c = 1

= A B (- 7, 3) \cdot 1, - A B (- 7, 3) \cdot 1

= 1 \cdot (- 7 \cdot 3,) A B, - 1 \cdot (- 7 \cdot 3,) A B

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What is expand A(1,-1)B(-7,3) ?
The solution to expand A(1,-1)B(-7,3) is 1*(-7*3,)AB,-1*(-7*3,)AB