How do you solve #x^2-2x-24=0# using the quadratic formula?
1 Answer
Explanation:
The quadratic formula is:
and the general formula of a quadratic equation is:
With our current example,
[Solution]
We know that:
Evaluating the quadratic equation with the values above...
[Checking -> Using Factorisation]
Since we got the same answer for both method, we know that our answer is correct.