x^2-2.5x+1.125=0

Simple and best practice solution for x^2-2.5x+1.125=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^2-2.5x+1.125=0 equation:


Simplifying
x2 + -2.5x + 1.125 = 0

Reorder the terms:
1.125 + -2.5x + x2 = 0

Solving
1.125 + -2.5x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-1.125' to each side of the equation.
1.125 + -2.5x + -1.125 + x2 = 0 + -1.125

Reorder the terms:
1.125 + -1.125 + -2.5x + x2 = 0 + -1.125

Combine like terms: 1.125 + -1.125 = 0.000
0.000 + -2.5x + x2 = 0 + -1.125
-2.5x + x2 = 0 + -1.125

Combine like terms: 0 + -1.125 = -1.125
-2.5x + x2 = -1.125

The x term is -2.5x.  Take half its coefficient (-1.25).
Square it (1.5625) and add it to both sides.

Add '1.5625' to each side of the equation.
-2.5x + 1.5625 + x2 = -1.125 + 1.5625

Reorder the terms:
1.5625 + -2.5x + x2 = -1.125 + 1.5625

Combine like terms: -1.125 + 1.5625 = 0.4375
1.5625 + -2.5x + x2 = 0.4375

Factor a perfect square on the left side:
(x + -1.25)(x + -1.25) = 0.4375

Calculate the square root of the right side: 0.661437828

Break this problem into two subproblems by setting 
(x + -1.25) equal to 0.661437828 and -0.661437828.

Subproblem 1

x + -1.25 = 0.661437828 Simplifying x + -1.25 = 0.661437828 Reorder the terms: -1.25 + x = 0.661437828 Solving -1.25 + x = 0.661437828 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + x = 0.661437828 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + x = 0.661437828 + 1.25 x = 0.661437828 + 1.25 Combine like terms: 0.661437828 + 1.25 = 1.911437828 x = 1.911437828 Simplifying x = 1.911437828

Subproblem 2

x + -1.25 = -0.661437828 Simplifying x + -1.25 = -0.661437828 Reorder the terms: -1.25 + x = -0.661437828 Solving -1.25 + x = -0.661437828 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + x = -0.661437828 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + x = -0.661437828 + 1.25 x = -0.661437828 + 1.25 Combine like terms: -0.661437828 + 1.25 = 0.588562172 x = 0.588562172 Simplifying x = 0.588562172

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.911437828, 0.588562172}

See similar equations:

| 7x+(3-4x)=-15 | | 8w=-1 | | D(a-b)=(c-b) | | x^2-2.5x-1.125=0 | | -x*5=10 | | 10-x*5=10 | | y=-16x^2+44t-24 | | 2m^2+15x+26=0 | | 2m^2+15+26=0 | | 7+3x=7x | | 4(2x-6)=2(5x+5) | | 5700=60x+3000 | | y=60(50)+3000 | | 0-7x=21 | | x^2=2x+x+(2x+4)+y | | 20*x=100 | | 0.2*x=100 | | -(3a+1)a=2 | | 0.1d+0.25(46-d)=6.70 | | -x+3y+z=0 | | 3(f+2)=12 | | 3.14*(r^2*16)=500 | | pi*(r^2*16)=500 | | 2x^2+2y^2+16x+12y+42=0 | | 4p+8(8-p)=44 | | -4(3p+4)-47=3(2p+3) | | -11m+7m=13-49 | | 2t+8t=30-12+32 | | 7p-11p=36 | | 6m+6(m+6)=120 | | -4-1=7-2x+3x | | 2n+4=4(n-2) |

Equations solver categories