Question 108591: what is the sum of the roots of the quadratic equation: ax^2 + bx + c = 0, where a, b, and c are all non-zero real constants Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! This is the general form of a quadratic equation.
It's solution are given by the quadratic formula.
One solution, , adds that expression under the square root symbol, let's call that R.
The other solution, , subtracts it.
When you add them together they cancel out and you are left with.