If it's not what You are looking for type in the equation solver your own equation and let us solve it.
1m^2-5m+8=0
We add all the numbers together, and all the variables
m^2-5m+8=0
a = 1; b = -5; c = +8;
Δ = b2-4ac
Δ = -52-4·1·8
Δ = -7
Delta is less than zero, so there is no solution for the equation
| x+x(0,22)=10000 | | 0.83x-0.33=1.33 | | 20+6m=4(m+3)+4m | | n=-8n-8(6n+4) | | 4x/4-7/10=x/2 | | 3x-6+2x+4=58 | | 8x+5=13x | | 1/2+8=5/2t-10 | | 14-(2q+5)=12q+9 | | 2(c+3)=30 | | 10-(4x-8)=5(3-4x) | | x^2-10x-151=0 | | 2/7(x)=6/11 | | -23z-6=8+6+2z | | s-$5=$25.67 | | 8(h+6)=72 | | 4(w-7)=-4 | | 8.85x+44.25=88.5 | | 5r=350 | | 25^(3x+2)=3125 | | 7.2a+11=83 | | 25^3x+2=3125 | | 3x/2+21/2=19 | | 9-3.5g=11-0.5g | | 4/5x-1/6=-1/5x-2/3 | | 7v=12 | | 5-8x=20-2x | | 6z+10=5z+13 | | 3/5(x)+5=4/5 | | 6-7x=19-2x | | 3/2x=17/2 | | x-5/10=9/5 |