What is simplify-3(4x+(-2)y)-2(x+3y)-2(2x+6y) ?

The solution to simplify-3(4x+(-2)y)-2(x+3y)-2(2x+6y) is -18x-12y

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simplify-3(4x+(-2)y)-2(x+3y)-2(2x+6y)

simplify

- 3 (4 x + (- 2) y) - 2 (x + 3 y) - 2 (2 x + 6 y)

- 18 x - 12 y

Solution steps

- 3 (4 x + (- 2) y) - 2 (x + 3 y) - 2 (2 x + 6 y)

Apply rule:

(- a) = - a

(- 2) = - 2

= - 3 (4 x - 2 y) - 2 (x + 3 y) - 2 (2 x + 6 y)

Expand

- 3 (4 x - 2 y) : - 12 x + 6 y

= - 12 x + 6 y - 2 (x + 3 y) - 2 (2 x + 6 y)

Expand

- 2 (x + 3 y) : - 2 x - 6 y

= - 12 x + 6 y - 2 x - 6 y - 2 (2 x + 6 y)

Expand

- 2 (2 x + 6 y) : - 4 x - 12 y

= - 12 x + 6 y - 2 x - 6 y - 4 x - 12 y

Group like terms

= - 12 x - 2 x - 4 x + 6 y - 6 y - 12 y

Add similar elements:

- 12 x - 2 x - 4 x = - 18 x

= - 18 x + 6 y - 6 y - 12 y

Add similar elements:

6 y - 6 y - 12 y = - 12 y

= - 18 x - 12 y

(x^{4})^{2} \cdot (x^{4})^{- 2}

(3 x - 1)^{3} + (x - 4)^{3}

5 x^{4} - 80 y^{4}

x^{3} + x^{2} - 16 x + 20

y^{3} + y^{2} - 4 y - 64

What is simplify-3(4x+(-2)y)-2(x+3y)-2(2x+6y) ?
The solution to simplify-3(4x+(-2)y)-2(x+3y)-2(2x+6y) is -18x-12y