If it's not what You are looking for type in the equation solver your own equation and let us solve it.
m2+4m+5=0
We add all the numbers together, and all the variables
m^2+4m+5=0
a = 1; b = 4; c = +5;
Δ = b2-4ac
Δ = 42-4·1·5
Δ = -4
Delta is less than zero, so there is no solution for the equation
| 2(x+2x)=x | | (6x+4)(x*x-1)=0 | | (20x+25)+(16x-7)=180 | | 8x=4×10 | | 5x+2,5=-22,5 | | 4(3w+1)÷3=-2 | | 5x-1,5=8,5 | | 5x-1,5=85 | | 12-3x=5,4 | | X2+6x+11=3 | | -3x=-19+10 | | 2(x+2)=x+6 | | 0,02x=20 | | x+57x=2 | | 11b-(2-4b)-11b=0 | | (2b-4)-10b=0 | | 5(3x-4)=7x+4 | | 6x=9=-27 | | 14+4x=41+x | | 2/5x+121=14 | | 12y-10=110 | | 5+35x=28+6 | | (44.375*0.4)/(44.375+x)=0.05 | | 2/7x+3/14=1/8x+6 | | 13x+5=7(x+5) | | 8w=6330w= | | 6x-21=5x-11 | | x*1.2=16 | | (x+3)-2(2-5x)=5(x+4)-3 | | x^2-10x+128=0 | | 2.5x+2.3=7.1 | | y/5+1/2=5y |