- #1
addzy94
- 3
- 0
Homework Statement
The number of integral values of 'a' for which the quadratic equation (x + a) (x + 1991) + 1 = 0
has integral roots are:
Homework Equations
D = b² - 4ac
The Attempt at a Solution
What I did was simplify the given equation and I got:
x² + (1991 + a)x + (1991a + 1) = 0
Now: (1991+a)² > 4(1991a + 1)
What do I do after this: Please help, I am not even sure that I am on the correct path.