Answer:
-4x-10
Step-by-step explanation:
first u should distribute the -1 in -(6x+6)
-(6x+6)=-6x-6
now write down the whole equation
2x-4-6x-6
now see which number are like terms
like terms: 2x and -6x
like terms: -4 and -6
2x-6x=-4x
-4-6=-10
now combine the two terms into one equation
-4x-10
