If it's not what You are looking for type in the equation solver your own equation and let us solve it.
1x^2-2x-2=0
We add all the numbers together, and all the variables
x^2-2x-2=0
a = 1; b = -2; c = -2;
Δ = b2-4ac
Δ = -22-4·1·(-2)
Δ = 12
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}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$
The end solution:
$\sqrt{\Delta}=\sqrt{12}=\sqrt{4*3}=\sqrt{4}*\sqrt{3}=2\sqrt{3}$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-2)-2\sqrt{3}}{2*1}=\frac{2-2\sqrt{3}}{2} $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-2)+2\sqrt{3}}{2*1}=\frac{2+2\sqrt{3}}{2} $
| 26.50n+0.15=14.50n+0.25 | | 2x+20=-x-7 | | 66x^2-168x-90=0 | | X=30,3785x | | 2s-34=s | | -43+5x=-91+9x | | 1x2+5x+4=0 | | x2−9=0 | | x2−9=0 | | 5x+1=x19 | | x+1=2x4 | | 6x–56=2x–4 | | 3x+19=7x+47 | | 2x–4=6x–56 | | (1/x-6)=(-7/2x-12)+1 | | 2y=y+62 | | 60=3b | | 36x^2-88x-60=0 | | 3m-6m=12 | | x+45=60 | | x3=6427. | | -10=-40+5r | | x+19=4x-5 | | x+14=3x-2 | | -1/3y-15=-22 | | 3x+7=2-2x;1 | | 3x−31=76 | | 2a^2+2a=4a^2-9a+5 | | 10x−6+18x−6(2x−4)=2 | | Y=4x+x+0.2-5 | | 9y+17=-19-3y | | 5+4(4.2y)=24y-(10) |