Which best proves why the expressions 4(x+3)+2x and 6(x+2 must be equivalent expressions

6x + 12 = 6x + 12

Explanation:

4(x + 3) + 2x

4x + 12 + 2x    Distribute 4.

6x + 12            Combine the like terms.

6(x + 2)          

6x + 12            Distribute 6

the one that has a slope of 1/2 and is positive.

step-by-step explanation: 2 buckets 1 trip ; 4 buckets 2 trips and so on.

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.