What is expand (2,-1)y(5,2) ?

The solution to expand (2,-1)y(5,2) is 2(5*2,)y,-1*(5*2,)y

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expand (2,-1)y(5,2)

expand

(2, - 1) y (5, 2)

2 (5 \cdot 2,) y, - 1 \cdot (5 \cdot 2,) y

Solution steps

(2, - 1) y (5, 2)

= (2, - 1) (5 \cdot 2,) y

Apply the distributive law:

a (b - c) = ab - a c

a = y (5, 2), b = 2,, c = 1

= y (5, 2) \cdot 2, - y (5, 2) \cdot 1

= 2 (5 \cdot 2,) y, - 1 \cdot (5 \cdot 2,) y

2 (1 + sin (a)) (1 - sin (a))

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\frac{( 2 x ^{2} - x + 8 )}{( x ^{2} + 4 ) ^{2}}

What is expand (2,-1)y(5,2) ?
The solution to expand (2,-1)y(5,2) is 2(5*2,)y,-1*(5*2,)y