If x^2 - 7x + 12 = 0, what is the sum of the possible values of x?

✓ Correct Answer: Option C

For a quadratic equation ax^2 + bx + c = 0, the sum of the roots is -b/a. Here, a=1, b=-7, so the sum of the values of x is -(-7)/1 = 7. Alternatively, (x-3)(x-4)=0, so x=3 or x=4. Sum = 3+4=7.