How do you solve 2x²+10=9?

Oct 15, 2017

$x = \pm \sqrt{- 0.5}$

Explanation:

First, isolate the $x$:

$2 {x}^{2} = - 1$

Divide both sides by $2$:

${x}^{2} = - 0.5$

Not take the squared root from both sides:

$x = \pm \sqrt{- 0.5}$