If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3x^2+10x+12=0
a = 3; b = 10; c = +12;
Δ = b2-4ac
Δ = 102-4·3·12
Δ = -44
Delta is less than zero, so there is no solution for the equation
| 11/5r=11 | | 6x2+13x=0 | | 1+0.01x=1.01^x | | x=x+39 | | 1/3c-1/2=1/2 | | 1/3c-2.1/2=1/2 | | 1/3c-2/1/2=1/2 | | 1/3c-2*1/2=1/2 | | 1/3c-21/2=1/2 | | √3x-4=√2x+9 | | 3x-3=4x+15 | | 0.08×x=1 | | 2x*30=4x+12 | | 3(2x-3)=4(x+3) | | 6(3x-2)=2(x-4) | | 232496xA=100 | | 9552÷9=k | | x+-(-17)=24 | | 3x-2(5x-0.25)=1 | | -3x-2(5x-0.25)=1 | | x-2.5x=15 | | F(-1)=-2x+7 | | Ax0.3=600 | | 5r-5=8r-3 | | 2.1x0.7x=9.8 | | 8r-3+5r-5=180 | | (4x-28)=120 | | 4x-28=120 | | 1/10x1/10x1/10x1/10x1/10x1/10x1/10x1/10x1/10x1/10x1/10x1/10x1/10=x | | 2.1=23/x | | 36=10p−24 | | 15+6v=27 |