Quien me ayuda con esto de matemáticas es suma de polinomios

Hey! 
Please Translate this I couldn't write it in spanish.
 3x2+x=2x-6 Two solutions were found : x =(1-√-71)/6=(1-i√ 71 )/6= 0.1667-1.4044i x =(1+√-71)/6=(1+i√ 71 )/6= 0.1667+1.4044iRearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation : 

                     3*x^2+x-(2*x-6)=0 

J= r + 9 because since jessica rode 9 more miles than roger, you add 9 miles to rogers mileage.