If it's not what You are looking for type in the equation solver your own equation and let us solve it.
e^2+2e=-8
We move all terms to the left:
e^2+2e-(-8)=0
We add all the numbers together, and all the variables
e^2+2e+8=0
a = 1; b = 2; c = +8;
Δ = b2-4ac
Δ = 22-4·1·8
Δ = -28
Delta is less than zero, so there is no solution for the equation
| d^2-5d=-14 | | 3t=4t-4 | | c^2+4c=-21 | | 2x-8=-3x-43 | | b^2-7b=+10 | | 2x+12=0x+6 | | -2(3x+5)+10x=5-2x | | a^2+8a=+15 | | 2/3·(8-1/x)=2 | | d^2-3d=-40 | | 2n+7=3n+27 | | a^2+9a=-22 | | 5y+35=3(y+5) | | x=0.003(1-x) | | x/(1-x)=0.003 | | {5x+7}={3x-2} | | X3+15x2-450=0 | | 4v+8=15v-3v | | z^2-3z=+2 | | -2y+2=-7y | | -7(2x+1)=5 | | y^2-12=+35 | | (17*2=6*2+b*2,b) | | 2x+33=3 | | 3/2x=300 | | 7x•15=1 | | 2x(1+2x^2)=18 | | -6x+-24=0 | | 4x-21=-3x | | 6d+7=0 | | 8y-2=10 | | 5x×6=56 |