What are the solutions of x2 + 5x - 24 = 0?

The answer is 3 and -8.

To calculate this we will use the qudratic equation for ax² + bx + c = 0:


In our equation x² + 5x - 24 = 0, we have:
a = 1
b = 5
c = -24

Now, let's implement that in the quadratic formula:


From here, we have two solutions:
1. 
2. 

Subtracting is the opposite of adding