What is expand A(2,-1)B(5,4) ?

The solution to expand A(2,-1)B(5,4) is 2(5*4,)AB,-1*(5*4,)AB

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expand A(2,-1)B(5,4)

expand

A (2, - 1) B (5, 4)

2 (5 \cdot 4,) A B, - 1 \cdot (5 \cdot 4,) A B

Solution steps

A (2, - 1) B (5, 4)

= (2, - 1) (5 \cdot 4,) A B

Apply the distributive law:

a (b - c) = ab - a c

a = A B (5, 4), b = 2,, c = 1

= A B (5, 4) \cdot 2, - A B (5, 4) \cdot 1

= 2 (5 \cdot 4,) A B, - 1 \cdot (5 \cdot 4,) A B

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What is expand A(2,-1)B(5,4) ?
The solution to expand A(2,-1)B(5,4) is 2(5*4,)AB,-1*(5*4,)AB