If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2x^2+8x+72=0
a = 2; b = 8; c = +72;
Δ = b2-4ac
Δ = 82-4·2·72
Δ = -512
Delta is less than zero, so there is no solution for the equation
| `10=4y | | x+73=61+90 | | x+61=73+90 | | 48+x/5=57 | | x+73+61=90 | | x+61+73=180 | | -16=m-7-7 | | x+61+73=90 | | x/10-34=16 | | 2.6r+5.5=2.8 | | 4x2+9x=6 | | 4x-7x=-17 | | -10=-3v-7v | | 5x+24+x+90=360 | | 2x-40+x=80 | | 3u-3u+3u+2=17 | | 2x+9.4=13.8 | | 5x+24=368 | | 3x2+5x=+7x+28 | | 6x-8x+5=-1 | | 5x-5=x515 | | 20+3x-x-5=29 | | 0.095x+0.05(20,000−x)=1,810 | | –2(z+–8)+–16=–8 | | X+z=126 | | 49+57+x=180 | | 4x+9=1x+15 | | 1/4=b/20 | | 49+57+x=90 | | -8/a=5/10 | | 7+x/4=11 | | -4x-7(x+3)=-36 |