If it's not what You are looking for type in the equation solver your own equation and let us solve it.
0.1x^2+5x+22.5=0
a = 0.1; b = 5; c = +22.5;
Δ = b2-4ac
Δ = 52-4·0.1·22.5
Δ = 16
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$\sqrt{\Delta}=\sqrt{16}=4$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(5)-4}{2*0.1}=\frac{-9}{0.2} =-45 $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(5)+4}{2*0.1}=\frac{-1}{0.2} =-5 $
| -6+2c/2=-10 | | 3/8-2x+5x=9/8=6x | | 8(3x-4)+12=17x+8 | | x2+4=1 | | 100x+9-x=99 | | .6(x+5)=29 | | 1-3(x+2)=1/2(2x-8)+3 | | 53x+58=180 | | 4(2a+3)=-3(9-1)+31 | | 2/3(x+5)=29 | | 3x/25=9/50 | | 0=b-(-3) | | 12-x=84 | | 20200000-344x=18500000+1359x | | 40+40+(2x+30)=180 | | -4(7x+20)-3=-8x-3 | | 4(3x-9)+10=7x+39 | | 85x+2=685 | | 7r+14=42 | | 5y2=13 | | 4-5x=6x-15 | | -7+2v=-1 | | 3(x+9)=5(x-2) | | 13+m=-29 | | 2n+9=14-3n | | 15c-5c+3=43 | | 1-z=18 | | 10a+300=20a | | 2x-9/x-4=x/4 | | 5(t-2)+2t=5(t-2) | | 4a-7=20 | | -36=9b |