# 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
$2n^2+10n+5=0$
$n=\frac{-10 \pm \sqrt{100-4(5)2}}{4}$
$n=\frac{-10 \pm \sqrt{60}}{4}$
$n=\frac{-10 \pm 2\sqrt{15}}{4}$