If it's not what You are looking for type in the equation solver your own equation and let us solve it.
28z^2+7168=0
a = 28; b = 0; c = +7168;
Δ = b2-4ac
Δ = 02-4·28·7168
Δ = -802816
Delta is less than zero, so there is no solution for the equation
| w^2+2w=w+3 | | -9+.17x=-12+.12x | | 20x-13=5(6x-8)+x | | 3x+6=3x+20.4 | | 9+.17x=-12+.12x | | 5x+2=3×+20 | | 3z=z+16 | | n5+ 65=73 | | 9+.17x=12+.12x | | 10x-4+x+14=180 | | 7x+8(x+x1/4)=3(6x-9)-8 | | 4-2x÷3=-2 | | -3+5=-3t | | 20x+(-5)=3(3x+3)-x | | 10x-4=x+14 | | -4y=2=-2 | | x(3x-4)(x-3)=0 | | 8+150x=1550 | | 7x+1=-7x | | -3x-3=6x | | -2+8=2(4-x) | | 20x+(-8)=5(6x+3)-x | | 8x-12+15=-21 | | 2x=7x+1 | | 8y-9y+6=10 | | 12+20x=2(6x+20)+x | | d/4− 1=2 | | 15-g/3=-5 | | 5(x-6)^2+7=x | | 11.3x=20 | | 9−2g=1 | | -6-3b=-2(4b+3)-2b |