If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4m^2-8m+5=0
a = 4; b = -8; c = +5;
Δ = b2-4ac
Δ = -82-4·4·5
Δ = -16
Delta is less than zero, so there is no solution for the equation
| 3x+1=12x-7 | | 8r=4r-16= | | 4(v+1)−4=16 | | u/(-30)=9 | | 4x+28=5x-1 | | 9^x=0.288 | | 11−t=6 | | t+26/6=6 | | 4(g+2)+2=18 | | -8u+2(u-3)=6 | | 3x(5x)=2400 | | -7x-2=-21 | | 4y+4=5y-7 | | 2(z−9)+3=17 | | d/9+34=43 | | 0,675x=-1,285x+25 | | 6x+5=149 | | -35f=24.5 | | 6x+5=154 | | k/5+75=83 | | 1/3x+5/6=2/3x+4 | | 7x+-6+2x+15=90 | | 9=1x+1 | | c/5+47=51 | | 4-y=-14 | | 8x-50=0 | | k2=138 | | 4−y=-14 | | -b=12.56 | | 8(4x+19)=5x+584 | | 5x=24=5(x-5) | | 3 = q−92 |