## Algebra and Trigonometry 10th Edition

$2+\sqrt 2i$ or $2-\sqrt 2i$
$x^2-4x+6=0$ $(x-2)^2=-2$ x-2 = +$\sqrt 2 i$ or $-\sqrt 2 i$ x = $2+\sqrt 2 i$ or $2-\sqrt 2 i$