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

The solution to expand (-2,-1)y(-2,9) is -2(-2*9,)y,-1*(-2*9,)y

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expand (-2,-1)y(-2,9)

expand

(- 2, - 1) y (- 2, 9)

- 2 (- 2 \cdot 9,) y, - 1 \cdot (- 2 \cdot 9,) y

Solution steps

(- 2, - 1) y (- 2, 9)

= (- 2, - 1) (- 2 \cdot 9,) y

Apply the distributive law:

a (b - c) = ab - a c

a = y (- 2, 9), b = - 2,, c = 1

= y (- 2, 9) (- 2,) - y (- 2, 9) \cdot 1

Apply minus-plus rules

+ (- a) = - a

= - 2 (- 2 \cdot 9,) y, - 1 \cdot (- 2 \cdot 9,) y

\frac{x - 1}{2 ( x - 4 ) ^{2}}

3 (x - 4 = 13)

\frac{x - 2}{x ( x ^{2} - 4 x + 5 ) ^{2}}

(t cos (t) + sin (t))^{2}

(3 x - 2 + 4) (3 x - 2 - 4)

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