If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3x^2+74=0
a = 3; b = 0; c = +74;
Δ = b2-4ac
Δ = 02-4·3·74
Δ = -888
Delta is less than zero, so there is no solution for the equation
| 7/9x-66=17 | | (k+7)(9k−2)=0 | | (5u-9)(5-u)=0 | | -6(x+10)+3(2x-7)=-45 | | -20n-24=136 | | -b+(b+7)=27-2b | | 5m=6m+6 | | 1/2r^2=11/4r+3=0 | | 2a-(1-6a)=15 | | 90=4x(x) | | X3=y | | 5x-5=1x+1 | | 14=16x | | 1/2r^2+3=11/4r | | (1/2)r^2+3=(11/4)r | | 4/2-x+3=1 | | n(2+2)+5n-12=n(4+4)-2 | | 8/3×c-2=2/3×c-12 | | d^2-31=17+2d | | (3v+2)-(v+1)=v+2(2v+3) | | 17x-56/2=10/3 | | -12+2=-3x-2x | | 36=15n | | -3m^2+1m-2=0 | | 45p+0.12=49.32 | | -6u+11=7u+28 | | 2-4x=6+2x | | -3m^2+m-2=0 | | 4n+7=28 | | 84+51+x+59+x=180 | | 30/100=n/140 | | 4n=3n+92 |