x^2-2xi-1=0

Simple and best practice solution for x^2-2xi-1=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for x^2-2xi-1=0 equation:


Simplifying
x2 + -2xi + -1 = 0

Reorder the terms:
-1 + -2ix + x2 = 0

Solving
-1 + -2ix + x2 = 0

Solving for variable 'i'.

Move all terms containing i to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + -2ix + 1 + x2 = 0 + 1

Reorder the terms:
-1 + 1 + -2ix + x2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -2ix + x2 = 0 + 1
-2ix + x2 = 0 + 1

Combine like terms: 0 + 1 = 1
-2ix + x2 = 1

Add '-1x2' to each side of the equation.
-2ix + x2 + -1x2 = 1 + -1x2

Combine like terms: x2 + -1x2 = 0
-2ix + 0 = 1 + -1x2
-2ix = 1 + -1x2

Divide each side by '-2x'.
i = -0.5x-1 + 0.5x

Simplifying
i = -0.5x-1 + 0.5x

See similar equations:

| (-7+-1x)(3+-2x)=0 | | 5x-18.5=x^2 | | 3x(2x^2+11x-21)=0 | | 0y+x=3 | | 0yx=3 | | -9w-7=20 | | 525.75×2/3 | | 6.5-5x=x^2-10x+25 | | 3j-10=19 | | X*.10=92 | | x-4=x/2 | | X*.10=109 | | 4x^4+12x^3-10x^2-2x-29=0 | | 45m+.25t=.15t+70m | | -7=k-2-3 | | x=1/2*x | | cost-12/15 | | 2(x-1)=3x+9 | | 2-7=X+10 | | 4x+31=13x-56 | | 7x-X=7+10 | | h(t)=-16t^2+320t | | (Y-5)2=6y-30 | | 0.5n=0.6n | | h(t)=16t^2+320 | | -3a+5=a+17 | | -2-4=-2x+4 | | 360/180-x | | h(x)=(0.66*-6x+15)-(-6x+15+-4x-17) | | h(x)=(0.66)(-6x+15+4x-17) | | 3y-3=-2y-18 | | 1/4(8x-4)=1/3(9x-27) |

Equations solver categories