Which of the following equations has the sum of its roots as 3?
The sum of the roots of a quadratic equation ax2 + bx + c = 0, a ≠ 0 is given by,
A. Given, 2x2 - 3x + 6 = 0
∴ Sum of the roots = 
B. Given, -x2 + 3x – 3 = 0
∴ Sum of the roots = 
C. Given, 
⇒ 
∴ Sum of the roots = 
D. Given, 3x2 - 3x + 3 = 0
∴ Sum of the roots = 
5