If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3x^2+9x+10=0
a = 3; b = 9; c = +10;
Δ = b2-4ac
Δ = 92-4·3·10
Δ = -39
Delta is less than zero, so there is no solution for the equation
| 1/2h=3 | | 24p=19 | | 8=3n–10 | | (5/6)n=15 | | 46.75+w=-90 | | -2+b=14 | | 18x^2-16x-4=-2x^2 | | -24+5c=9(8c+4) | | 4c+2=-28 | | 8+14n=8+11n | | -22=-y | | 10+y=23 | | a-1.7=0.217 | | 3.3n−6.7n=11 | | -a/3+11=-5 | | a-1.7=0.215 | | -7+9(1-5h)=23 | | 0.8c+2=c | | 3p+41/2=16 | | -9x-5=6x-50 | | x-0.3=-7.45 | | c=0.8c+2 | | 10+1.50x=25 | | 2d=-11.18 | | 3150-75y=2475+60y | | 24=9(2s+7) | | n+3.7=-5.7 | | n+1.7=7.5 | | -9(8-3y)=-23 | | b-5=12,b+ | | 15x–8–3x=16 | | x-6.7=-16 |