x^2-x-0.125=0

Simple and best practice solution for x^2-x-0.125=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-x-0.125=0 equation:


Simplifying
x2 + -1x + -0.125 = 0

Reorder the terms:
-0.125 + -1x + x2 = 0

Solving
-0.125 + -1x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '0.125' to each side of the equation.
-0.125 + -1x + 0.125 + x2 = 0 + 0.125

Reorder the terms:
-0.125 + 0.125 + -1x + x2 = 0 + 0.125

Combine like terms: -0.125 + 0.125 = 0.000
0.000 + -1x + x2 = 0 + 0.125
-1x + x2 = 0 + 0.125

Combine like terms: 0 + 0.125 = 0.125
-1x + x2 = 0.125

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 0.125 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 0.125 + 0.25

Combine like terms: 0.125 + 0.25 = 0.375
0.25 + -1x + x2 = 0.375

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 0.375

Calculate the square root of the right side: 0.612372436

Break this problem into two subproblems by setting 
(x + -0.5) equal to 0.612372436 and -0.612372436.

Subproblem 1

x + -0.5 = 0.612372436 Simplifying x + -0.5 = 0.612372436 Reorder the terms: -0.5 + x = 0.612372436 Solving -0.5 + x = 0.612372436 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 0.612372436 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 0.612372436 + 0.5 x = 0.612372436 + 0.5 Combine like terms: 0.612372436 + 0.5 = 1.112372436 x = 1.112372436 Simplifying x = 1.112372436

Subproblem 2

x + -0.5 = -0.612372436 Simplifying x + -0.5 = -0.612372436 Reorder the terms: -0.5 + x = -0.612372436 Solving -0.5 + x = -0.612372436 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -0.612372436 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -0.612372436 + 0.5 x = -0.612372436 + 0.5 Combine like terms: -0.612372436 + 0.5 = -0.112372436 x = -0.112372436 Simplifying x = -0.112372436

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.112372436, -0.112372436}

See similar equations:

| 1x-7=-2x-5 | | 6=-7u+4(u+6) | | -12+7(5)= | | 7f+3G= | | 6y^2-y=5 | | 6y+(2y+5)= | | -2x+7y=-28 | | -3+2n+7n=8n-8 | | s=160+0.12(160) | | 51.96+0.13x=55.96+0.08x | | 231=33r | | 9+0.13x=28+0.09x | | 8/4-3=9 | | 23=33r | | 195=15w | | 0.70x=70+0.20x | | Sen2x-cos2c=1/2 | | 223-u=41 | | 9-3n=1-n-6 | | -8x/-5-2;30z | | 192=4t | | 16-x=278 | | 8k=320 | | x+6=-2-3 | | Tan2x=3/2secx | | 400a+4=18*365a+7 | | 6=-x+293 | | Tan^2x=3/2secx | | -8v+12=-4(v-9) | | 2x=10(15-3x) | | 3(1)-2y=-6 | | 2(1-e)=3e-8 |

Equations solver categories