300 / (6849-x) +(10.274x/6849)=0.374
300 +(10.274x)*(6849-x)/6849=0.374*(6849-x)
=300 +10.274x*(6849/6849) -10.274x*(-x)/6849=0.374*6849 -0.374x
10.274x +0.374x +(10.274/6849)x^2-0.374x +300-(0.374*6849)=0
0.001500073 x^2 +(10.274x+0.374x -0.374x) +300-0.0000546065119=0
0.001500073x^2 +10.274x +300=0
quadratik equashun giv roots=-29.3254856 & -6819.6745298