Simplify 3(2n+1) - 4(2n-1) 2n+1 - 2n

Simplify 3(2n+1) - 4(2n-1) 2n+1 - 2n

Answer Details

Start by expanding 3(2n+1) - 4(2n-1) 2n+1 - 2n:
3 x 2n x 21 - 22 x 2n x 2-1 2n x 2 -2n
Solving the equation above gives;
2n x 21 x 2 2n = 2 x 2 = 4