What is simplify-6(x+9)+3(-2x-4) ?

The solution to simplify-6(x+9)+3(-2x-4) is -12x-66

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simplify-6(x+9)+3(-2x-4)

simplify

- 6 (x + 9) + 3 (- 2 x - 4)

- 12 x - 66

Solution steps

- 6 (x + 9) + 3 (- 2 x - 4)

Expand

- 6 (x + 9) : - 6 x - 54

= - 6 x - 54 + 3 (- 2 x - 4)

Expand

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

= - 6 x - 54 - 6 x - 12

Group like terms

= - 6 x - 6 x - 54 - 12

Add similar elements:

- 6 x - 6 x = - 12 x

= - 12 x - 54 - 12

Subtract the numbers:

- 54 - 12 = - 66

= - 12 x - 66

6242

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(4 x^{3} - 2)^{2}

What is simplify-6(x+9)+3(-2x-4) ?
The solution to simplify-6(x+9)+3(-2x-4) is -12x-66