If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x2+12x+61=0
We add all the numbers together, and all the variables
x^2+12x+61=0
a = 1; b = 12; c = +61;
Δ = b2-4ac
Δ = 122-4·1·61
Δ = -100
Delta is less than zero, so there is no solution for the equation
| 3x-9x+50=4x+30 | | x2-10x-23=0 | | 5.2x-10=-6 | | 6x-(3x+11)=4 | | 18+4.5m=6m-12 | | 10b-29=11 | | 18+4.5m=6m-18 | | 11x2-2x-8=0 | | 0.2x-0.5x-8=1 | | 2a-8=12-8a | | -9=11m-(8m) | | 4/9x+2.7=-6.6 | | 6•(x-1)+4x-5=9 | | 4=(1/2x)3 | | 2.1+4.7x=2.8 | | 4=x3 | | 5x-2-3x=6+2x-8 | | -19+1/9k=-21 | | 3=1/2x(3) | | 8x2+45x=18 | | (20x-3)/15=8 | | (20x-3)/15=8.15 | | (20x−3)/15=8 | | (X-1)^2=y-1 | | x+90=3x+30 | | 7(4-2x)=-10x | | -4x+3(2x-1)^2=-15 | | -3.1+x/8=-15.9 | | -4x+3(2x-1)62=-15 | | 108-6x=54 | | 2-1/2x=2/5 | | 2(x=4)=2x+8 |