If a train travels distance D=2x2+8x+6D = 2x^2+8x+6D=2x2+8x+6 at a speed V=2x+2V = 2x+2V=2x+2, find the expression for time T=D/VT = D/VT=D/V.
x+3x+3x+3
x+1x+1x+1
x+32\frac{x+3}{2}2x+3
2x+62x+62x+6