Question

Perimeter of a rectangle x-2 x-4

Answer 1

C

Explanation:

Perimeter=2l+2w

2(x-4)+2(x-2)

Factor out

2x-8+2x-4

Combine like terms

4x-12

Or you can add all four sides!

x-2+x-2+x-4+x-4

Combine like terms

x+x+x+x-2-2-4-4

4x-4-8

4x-12