Two students A and B solve an equation of the from x2 + px + q = 0. A starts with a wrong value of p and obtains the roots as 2 and 6. B starts with a wrong value of q and gets the roots as 2 and -9. What are the correct roots of the equation ?

• A. 3 and - 4
• B. - 3 and - 4
• C. - 3 and 4
• D. 3 and 4