x^2-2x+1=5

Simple and best practice solution for x^2-2x+1=5 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=5 equation:


Simplifying
x2 + -2x + 1 = 5

Reorder the terms:
1 + -2x + x2 = 5

Solving
1 + -2x + x2 = 5

Solving for variable 'x'.

Reorder the terms:
1 + -5 + -2x + x2 = 5 + -5

Combine like terms: 1 + -5 = -4
-4 + -2x + x2 = 5 + -5

Combine like terms: 5 + -5 = 0
-4 + -2x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + -2x + 4 + x2 = 0 + 4

Reorder the terms:
-4 + 4 + -2x + x2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -2x + x2 = 0 + 4
-2x + x2 = 0 + 4

Combine like terms: 0 + 4 = 4
-2x + x2 = 4

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = 4 + 1

Reorder the terms:
1 + -2x + x2 = 4 + 1

Combine like terms: 4 + 1 = 5
1 + -2x + x2 = 5

Factor a perfect square on the left side:
(x + -1)(x + -1) = 5

Calculate the square root of the right side: 2.236067978

Break this problem into two subproblems by setting 
(x + -1) equal to 2.236067978 and -2.236067978.

Subproblem 1

x + -1 = 2.236067978 Simplifying x + -1 = 2.236067978 Reorder the terms: -1 + x = 2.236067978 Solving -1 + x = 2.236067978 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 + 1 + x = 2.236067978 + 1 Combine like terms: -1 + 1 = 0 0 + x = 2.236067978 + 1 x = 2.236067978 + 1 Combine like terms: 2.236067978 + 1 = 3.236067978 x = 3.236067978 Simplifying x = 3.236067978

Subproblem 2

x + -1 = -2.236067978 Simplifying x + -1 = -2.236067978 Reorder the terms: -1 + x = -2.236067978 Solving -1 + x = -2.236067978 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 + 1 + x = -2.236067978 + 1 Combine like terms: -1 + 1 = 0 0 + x = -2.236067978 + 1 x = -2.236067978 + 1 Combine like terms: -2.236067978 + 1 = -1.236067978 x = -1.236067978 Simplifying x = -1.236067978

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.236067978, -1.236067978}

See similar equations:

| 4-3n=50 | | 4x+14=-84-10x | | 4(x+1)-5=3x-2 | | 1+1=0 | | 123-6x=4x+13 | | -30-2x=6-8x | | 4(x-1)-5=3x-2 | | -12y=-144 | | 8(e+2.5)=2(4e-2) | | 8(2k-6)+4(-1-5k)=0 | | 76-6x=9x+16 | | -5a-6+4a=-a+2 | | 5m+9=2m-12 | | 4(y+2)+1.3=3(y+2.1) | | 3x+7=61-3x | | 11x+15=4x-20 | | 2(s+1.6)-5(2-s)=-1.9 | | 6(n-1)=4.4n-2 | | 8x=90-x | | 2(x+3)=-14 | | 8z-13=7 | | 55-3x-2x=10 | | 44.36-35.00= | | 1+12x=67+x | | 8-7x=4+3x | | 15-(3-5Y)=2(Y+3) | | 2b+6(2-b)=-b | | 5x-3=15x-123 | | 1+3x= | | 17z=16z+8 | | 4x+21=13x-60 | | 5x+12=5x+22 |

Equations solver categories