The values x in the following quadratic are:
1 + i√19
1 - i√19
All terms must be on the same side.
Subtract 2x from both sides.
x^2 - 2x + 20 = 0
Apply the quadratic formula:
[tex]-b +/- \frac{\sqrt{b^2 - 4ac} }{2a}[/tex]
2 +/- √(4 - 80)/2
2 +/- √(-76)/2
2+/- i√76/2
1 +/- i√19
