If it's not what You are looking for type in the equation solver your own equation and let us solve it.
=0.25C^2-10C+800
We move all terms to the left:
-(0.25C^2-10C+800)=0
We get rid of parentheses
-0.25C^2+10C-800=0
a = -0.25; b = 10; c = -800;
Δ = b2-4ac
Δ = 102-4·(-0.25)·(-800)
Δ = -700
Delta is less than zero, so there is no solution for the equation
| x/4=-12.50 | | -22-6x=2-8x | | x/4=-$12.50 | | 6x=54;x | | 4x44=56 | | 1/2x+3=3/4x+1 | | 200=25x+25 | | -7.5y+2.5y=17.5 | | 200=50x+30 | | 4x+48=46 | | 3n-6=118 | | 6(n-3)=-12 | | 200=4250x+10 | | 2(3x-1)=5x | | 3x^2-14x-4=10x | | x/5+23=23 | | 6x^2-39x-72=0 | | 4(6y+7)=15y-8 | | 209=5(0.08m+26.90+0.30(26.90) | | 4(6y+7)=15y–8 | | 4.9x+15.4+2.2x–12.1= | | 4x+19x=11 | | 21p=7 | | 8(w=3)=40 | | 5x-10=10x+10 | | 144=-1x^2+36x | | Y=3.x-2 | | 3x−6=5x+12 | | 11x+1=12x+5 | | 12=5y=-8 | | 10-7a=17 | | Y=4x³-12x²+3x+12 |