What is expand (2,-2)*(2y,-2x) ?

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

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expand (2,-2)*(2y,-2x)

expand

(2, - 2) \cdot (2 y, - 2 x)

2, 2 y, - 2, 2 x - 2 \cdot 2 y, 2 \cdot 2 x

Solution steps

(2, - 2) (2 y, - 2 x)

= (2, - 2) (2, y - 2 x)

Apply FOIL method:

(a + b) (c + d) = a c + a d + b c + b d

a = 2,, b = - 2, c = 2 y,, d = - 2 x

= 2, 2 y, 2, (- 2 x) + (- 2) \cdot 2 y, (- 2) (- 2 x)

Apply minus-plus rules

+ (- a) = - a, (- a) (- b) = ab

= 2, 2 y, - 2, 2 x - 2 \cdot 2 y, 2 \cdot 2 x

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\frac{( 64 π ^{2} + 4 ) ^{\frac{3}{2}} - 8}{3}

\frac{w ( 1 - e )}{e}

\frac{40 ( 1 - e ^{90 k} )}{5 - 8 e ^{90 k}}

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