Question 1048912
{{{x^2 + ix + 2 = 0}}}

use quadratic formula:

{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}

{{{x = (-i +- sqrt( i^2-4*1*2 ))/(2*1) }}}

{{{x = (-i +- sqrt( -1-8 ))/2 }}}

{{{x = (-i +- sqrt( -9 ))/2 }}}

{{{x = (-i +- 3i)/2 }}}

solutions:

{{{x = (-i + 3i)/2 }}}

{{{x = 2i/2 }}}

{{{highlight(x = i)}}}

{{{x = (-i - 3i)/2 }}}

{{{x = (-4i)/2 }}}

{{{highlight(x = -2i) }}}