If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y2-6y+80=0
We add all the numbers together, and all the variables
y^2-6y+80=0
a = 1; b = -6; c = +80;
Δ = b2-4ac
Δ = -62-4·1·80
Δ = -284
Delta is less than zero, so there is no solution for the equation
| 15w+21=3(2w+19 | | 16y-10y=6 | | 4x+5=8x+-55 | | 7x-8-6x=-6 | | F(10x)=-2x+13 | | 2x+3x-8=132 | | 14c+25-12c-8=47 | | 3^(4x-5)=9 | | -3x+12+7x+8=52 | | | | x-(4x-7)=5x-x+21) | | | | | | | | -(h-66)=-4 | | n–28=6 | | 5x+5=10x-45 | | 2(-2x=2)+X+3=37 | | (12z+36)+15z=120 | | y^2-6y80=0 | | | | -2m-5(2m-2)=82 | | 4(x+3)=-6-4x+2 | | | | 49/6x-1/6(x-378)=8x+63 | | u/3-31=39 | | 7x-8+6x=-6 | | |6n-1|+19=7 | | 5x+52+10x+95-90=180 | | 4(x-4)=-6(x-4) | | -5x+6=-12x | | 6m2–11m–35=0 |