(X)2-2x-1=8

Simple and best practice solution for (X)2-2x-1=8 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)2-2x-1=8 equation:


Simplifying
(X) * 2 + -2x + -1 = 8

Reorder the terms for easier multiplication:
2X + -2x + -1 = 8

Reorder the terms:
-1 + 2X + -2x = 8

Solving
-1 + 2X + -2x = 8

Solving for variable 'X'.

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

Add '1' to each side of the equation.
-1 + 2X + 1 + -2x = 8 + 1

Reorder the terms:
-1 + 1 + 2X + -2x = 8 + 1

Combine like terms: -1 + 1 = 0
0 + 2X + -2x = 8 + 1
2X + -2x = 8 + 1

Combine like terms: 8 + 1 = 9
2X + -2x = 9

Add '2x' to each side of the equation.
2X + -2x + 2x = 9 + 2x

Combine like terms: -2x + 2x = 0
2X + 0 = 9 + 2x
2X = 9 + 2x

Divide each side by '2'.
X = 4.5 + x

Simplifying
X = 4.5 + x

See similar equations:

| 4x+-3x=7 | | -4/12=4/12 | | 19.8=7.17+3x | | 9x^4/3 | | (1/6*6)z=1/6(18) | | x^2-31-2k=-6-3x^2-2k | | 4x-y(2x-5)=7 | | X(x+3)(x-5)=384 | | .5/2=x/6 | | x^2+y^2-26y=0 | | (1/7*7)u=1/7(-2) | | 8x+15=95 | | 3x+3x=-21 | | X/60-1/2/5 | | -3-27k-84k+-7=1+10k-11-6k | | 2(5y+2)+y=4 | | -7x-2=-24-9x | | 14y+y=4 | | -2x^2+8x=18 | | (-1/5*-5)w=-1/5(-1/5) | | 2sin^2X+9sinX=-4 | | 8z+6=10z+8 | | 4x+2(2x)=14 | | 1.2c=7.2 | | -1/9(9)=(-1/9*-9)v | | 6(x+y)+2x+y= | | -4a+12=48 | | 48-y=165 | | 2x^2y-4y=24fory | | 2x+1=41 | | 1.4x=60000 | | 45.8+s=6.38 |

Equations solver categories