If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n2+15n+2000=0
We add all the numbers together, and all the variables
n^2+15n+2000=0
a = 1; b = 15; c = +2000;
Δ = b2-4ac
Δ = 152-4·1·2000
Δ = -7775
Delta is less than zero, so there is no solution for the equation
| 9n-5=-5(n+2) | | 5x+7(4)=132 | | -20=y+-50 | | -15=-3x+30 | | -20=y+-20 | | 3x+8+5x=10+3x/6 | | 21=113=i | | 14x=184 | | 15=v/4-12 | | (n-2)*189=140n | | 5x+7=-5x+6 | | 19x+15=18x+16 | | 5f-8=32 | | x+60=1500 | | 11x=100+21 | | 5x=23+32 | | 12*x-13=59 | | 12=1x+2x | | 11x=174 | | 2u(u+7)(u-9)=0 | | 3(y+2)-4=10 | | 90=2x-4+3x-16 | | -2(18-3h)=7h+2h | | -5(g+3)=16 | | -2f-3=2f-25 | | 5-4x=23+2x | | 7+6e=4e-5 | | 7^x=3.5 | | 8x+22+9x+6=180 | | 12x-4=4(2x+2) | | 1.22x-9(3x-4)=1.29(x+5)-6 | | 1.09x-4(3x-9)=1.12(x+5)-2 |