Question 775872
Area = {{{6x^2+7x+4}}}

width =(2x+1)

Area = l*W

L= Area/width

{{{(6x^2+11x+4)/(2x+1)}}}

{{{(6x^2+8x+3x+4)/(2x+1)}}}


{{{(2x(3x+4)+1(3x+4))/(2x+1)}}}


{{{((2x+1)(3x+4))/(2x+1)}}}

cancel (2x+1)

Length = 3x+4 m