x^2+x-.25=0

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


Simplifying
x2 + x + -0.25 = 0

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

Solving
-0.25 + x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '0.25' to each side of the equation.
-0.25 + x + 0.25 + x2 = 0 + 0.25

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

Combine like terms: -0.25 + 0.25 = 0.00
0.00 + x + x2 = 0 + 0.25
x + x2 = 0 + 0.25

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

The x term is x.  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.
x + 0.25 + x2 = 0.25 + 0.25

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

Combine like terms: 0.25 + 0.25 = 0.5
0.25 + x + x2 = 0.5

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

Calculate the square root of the right side: 0.707106781

Break this problem into two subproblems by setting 
(x + 0.5) equal to 0.707106781 and -0.707106781.

Subproblem 1

x + 0.5 = 0.707106781 Simplifying x + 0.5 = 0.707106781 Reorder the terms: 0.5 + x = 0.707106781 Solving 0.5 + x = 0.707106781 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 = 0.707106781 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 0.707106781 + -0.5 x = 0.707106781 + -0.5 Combine like terms: 0.707106781 + -0.5 = 0.207106781 x = 0.207106781 Simplifying x = 0.207106781

Subproblem 2

x + 0.5 = -0.707106781 Simplifying x + 0.5 = -0.707106781 Reorder the terms: 0.5 + x = -0.707106781 Solving 0.5 + x = -0.707106781 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 = -0.707106781 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -0.707106781 + -0.5 x = -0.707106781 + -0.5 Combine like terms: -0.707106781 + -0.5 = -1.207106781 x = -1.207106781 Simplifying x = -1.207106781

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.207106781, -1.207106781}

See similar equations:

| 3(2x+1)=-(x+13) | | 4t^2+t=33 | | 2x^2-32x+56=0 | | 0=10x-y-8 | | n^2-6n+6=0 | | 3n-5=7n+1 | | 8-2y=1y-2 | | -2(5s-2)-4=-2(8s+1)-3 | | 2x^2+12x-1=4+3x | | -3(5s-4)-12=-3(7s+4)-4 | | 3(5x-1)-2(2x-5)=4(2x+1) | | y=1.5+8 | | 3(5-Y)=(3Y+4) | | 5x-1=39 | | 5x^2=5-9x | | 0.5x+8=9 | | 2y=-2x-4 | | 0.5x+8=15 | | 2l+8=6l+2 | | 0.5x+8=8 | | 10-2x+3y=2 | | 0.5x+8=5 | | 3x+3=39 | | 0.5x+8=3 | | (2x-1)(1+2x)=4x(x-1)-10 | | 7x-1=34 | | 0.9w-0.8w+0.4w=3 | | (x-2)(x+2)=7 | | 7-3x=28 | | 7+y=21 | | 2x+6y=26 | | -2(4-3x)=2-(8-x) |

Equations solver categories