If it's not what You are looking for type in the equation solver your own equation and let us solve it.
.14c^2=-4
We move all terms to the left:
.14c^2-(-4)=0
We add all the numbers together, and all the variables
.14c^2+4=0
a = .14; b = 0; c = +4;
Δ = b2-4ac
Δ = 02-4·.14·4
Δ = -2.24
Delta is less than zero, so there is no solution for the equation
| 7i-3i-8=24 | | -x2+9x=18x+x2 | | 3i+7=-8 | | 6y^2–54=0 | | -3(x–2)=2x+1 | | .3(x–2)=2x+1 | | 3x2+51x=-216 | | 4i+5i=27 | | 1.5x+2+2.5x–0.5=4x–1.5–3x | | 5x(9x)=180 | | t+40=6t-28 | | t+40°=6t-28° | | Y=700.x+10.000 | | 3x+38=7x+8 | | 312x−31=2x−312 | | F(x)=2x^2+6x-4 | | 2x+37=14x-35 | | 6y-42=3y-2 | | 2^(x-1)=44 | | 6b+37=7b+34 | | 2(26-3x)=5x+30 | | 26-3x=5x+30 | | 11x–4=2x+23 | | 17x-x=5x-15 | | 6x–10=2x–14 | | 2a=3a-37 | | 8x-35=55-9x | | D=1/4f | | x+46=66-x | | 16t^2-19t-3=0 | | x+3=-4x+36 | | -81=-9+-4v |