# Math Help - use the quadratic formula to solve

1. ## use the quadratic formula to solve

2n squared= -10n - 5

2. Originally Posted by lovely08
2n squared= -10n - 5
$2n^2 + 10n + 5 = 0$ and you can just substitute it to the quadratic formula..

$n = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$