(6x^3+10x^2+x+8)/(2x^2+1) use long division to divide me with this

What does x = in this equation x+3+2x=x+5

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists