SOLUTION: I need help with this quadratic equation x2-2x+8=0

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: I need help with this quadratic equation x2-2x+8=0       Log On


   

Question 120944: I need help with this quadratic equation
x2-2x+8=0
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x^2-2x+8=0
x = [2 +- sqrt(4-4*8)]/2
x = [2 +- sqrt(-28)]/2
x = [2 +- 2isqrt(7)]/2
x = [1 +- isqrt7]
x = 1+isqrt7 or x = 1-isqrt7
=========================
Cheers,
Stan H.