PLEASE HELP

 A man walks (12x^2+11x+2) km for (3x+2) hours. What is his speed per hour?

Hello Guest!

$(12x^2+11x+2)$ : $(3x+2)=4x$+1

  $\underline{12x^2+8x}$

                $3x+2$

The man walks (4x+1) km per hour.                ??

  !