Question

How do you solve `x ^2 + 2x - 22 = 0`?

Answer 1

3.796 and -5.796

Explanation:

Compute `(b^2)-(4*a*c)` first which is delta. b is 2 and c is -22 (a is 1 in this equation).
You will get delta as 92.

`x=(-b+sqrt92)/2=3.796` the first x
`x=(-b-sqrt92)/2=-5.796` the second x