Can some one help with two questions 1) Which expression is not equivalent to the other expressions? -6(2x - 4) -(12x - 6) + 18 -3(4x - 3) + 15 -4(3x + 6) 2) All of the following are equivalent exce

Can some one help with two questions

1) Which expression is not equivalent to the other expressions?

-6(2x - 4)

-(12x - 6) + 18

-3(4x - 3) + 15

-4(3x + 6)

2) All of the following are equivalent except _____.

-5(x - 1)

-5x + 5

5 - 5x

(5 - 5)x