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

The solution to expand (-2,7)y(2,-1) is 2(-2*7,)y,-1*(-2*7,)y

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expand (-2,7)y(2,-1)

expand

(- 2, 7) y (2, - 1)

2 (- 2 \cdot 7,) y, - 1 \cdot (- 2 \cdot 7,) y

Solution steps

(- 2, 7) y (2, - 1)

= (- 2 \cdot 7,) (2, - 1) y

Apply the distributive law:

a (b - c) = ab - a c

a = (- 2, 7) y, b = 2,, c = 1

= (- 2, 7) y \cdot 2, - (- 2, 7) y \cdot 1

= 2 (- 2 \cdot 7,) y, - 1 \cdot (- 2 \cdot 7,) y

\frac{\partial}{\partial x} ((z) (3 x^{2} y + 4 x y^{2}))

6 (11 + 5)

\frac{( x - 1 ) ^{4}}{4}

(t + a)^{2} + e^{- a t} - 2 cos (a t)

\frac{( x + 1 ) ^{2}}{x - 1}

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