What is expand puntos(2,-1)y((1,-9)/7) ?

The solution to expand puntos(2,-1)y((1,-9)/7) is 2((1,-9)/7)pnutosy,-1*((1,-9)/7)pnutosy

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expand puntos(2,-1)y((1,-9)/7)

expand

p u n t os (2, - 1) y (\frac{1 , - 9}{7})

2 (\frac{1 , - 9}{7}) p n u t osy, - 1 \cdot (\frac{1 , - 9}{7}) p n u t osy

Solution steps

p u n t os (2, - 1) y (\frac{1 , - 9}{7})

= (\frac{1 , - 9}{7}) (2, - 1) p n u t osy

Apply the distributive law:

a (b - c) = ab - a c

a = p u n t osy (\frac{1 , - 9}{7}), b = 2,, c = 1

= p u n t osy (\frac{1 , - 9}{7}) \cdot 2, - p u n t osy (\frac{1 , - 9}{7}) \cdot 1

= 2 (\frac{1 , - 9}{7}) p n u t osy, - 1 \cdot (\frac{1 , - 9}{7}) p n u t osy

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What is expand puntos(2,-1)y((1,-9)/7) ?
The solution to expand puntos(2,-1)y((1,-9)/7) is 2((1,-9)/7)pnutosy,-1*((1,-9)/7)pnutosy