x^2+.25x-.125=0

Simple and best practice solution for x^2+.25x-.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+.25x-.125=0 equation:


Simplifying
x2 + 0.25x + -0.125 = 0

Reorder the terms:
-0.125 + 0.25x + x2 = 0

Solving
-0.125 + 0.25x + 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 + 0.25x + 0.125 + x2 = 0 + 0.125

Reorder the terms:
-0.125 + 0.125 + 0.25x + x2 = 0 + 0.125

Combine like terms: -0.125 + 0.125 = 0.000
0.000 + 0.25x + x2 = 0 + 0.125
0.25x + x2 = 0 + 0.125

Combine like terms: 0 + 0.125 = 0.125
0.25x + x2 = 0.125

The x term is 0.25x.  Take half its coefficient (0.125).
Square it (0.015625) and add it to both sides.

Add '0.015625' to each side of the equation.
0.25x + 0.015625 + x2 = 0.125 + 0.015625

Reorder the terms:
0.015625 + 0.25x + x2 = 0.125 + 0.015625

Combine like terms: 0.125 + 0.015625 = 0.140625
0.015625 + 0.25x + x2 = 0.140625

Factor a perfect square on the left side:
(x + 0.125)(x + 0.125) = 0.140625

Calculate the square root of the right side: 0.375

Break this problem into two subproblems by setting 
(x + 0.125) equal to 0.375 and -0.375.

Subproblem 1

x + 0.125 = 0.375 Simplifying x + 0.125 = 0.375 Reorder the terms: 0.125 + x = 0.375 Solving 0.125 + x = 0.375 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.125' to each side of the equation. 0.125 + -0.125 + x = 0.375 + -0.125 Combine like terms: 0.125 + -0.125 = 0.000 0.000 + x = 0.375 + -0.125 x = 0.375 + -0.125 Combine like terms: 0.375 + -0.125 = 0.25 x = 0.25 Simplifying x = 0.25

Subproblem 2

x + 0.125 = -0.375 Simplifying x + 0.125 = -0.375 Reorder the terms: 0.125 + x = -0.375 Solving 0.125 + x = -0.375 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.125' to each side of the equation. 0.125 + -0.125 + x = -0.375 + -0.125 Combine like terms: 0.125 + -0.125 = 0.000 0.000 + x = -0.375 + -0.125 x = -0.375 + -0.125 Combine like terms: -0.375 + -0.125 = -0.5 x = -0.5 Simplifying x = -0.5

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.25, -0.5}

See similar equations:

| 2x-3(x+4)=7x+1 | | 40x^2+46x+12= | | x^1+2x^2-3x^3+4x^4-5x^5=-1 | | 3(n-4)=9n+6 | | x^1+2x^2-3x^3+4x^4-x^5=-1 | | 3x+2y=6y | | 108=.5(x+6)x | | 2.8=log(x) | | 4(6x+7)=52 | | 2x-13x+21=0 | | 6ln(8x)=24 | | f(x+4)=9x+3 | | 2cos(x^(1/2)) | | 55=x+6*x | | X+12=7+3 | | 2/3x-1/x= | | g+(3g-1)=39 | | 2cos(x^1/2) | | a+16a+9a+4a= | | 14u^7-10u^5/2u^3 | | (4+v)(4v+6)=0 | | 12x^7-16x^3/2x^3 | | 3x+80=x+120 | | -9x^2+4y^2-54x-117=0 | | 14+4x=-38 | | 1-5h=-3 | | x^3+5x^2+-1x+-5=0 | | 13+4b=-2 | | 100=2w+230 | | 2(n+4n)=300 | | 8(3x-4)-2=4 | | 3-s=-5 |

Equations solver categories