x*(2x-2)=1

Simple and best practice solution for x*(2x-2)=1 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*(2x-2)=1 equation:


Simplifying
x(2x + -2) = 1

Reorder the terms:
x(-2 + 2x) = 1
(-2 * x + 2x * x) = 1
(-2x + 2x2) = 1

Solving
-2x + 2x2 = 1

Solving for variable 'x'.

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

Combine like terms: 1 + -1 = 0
-1 + -2x + 2x2 = 0

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
-0.5 + -1x + x2 = 0

Move the constant term to the right:

Add '0.5' to each side of the equation.
-0.5 + -1x + 0.5 + x2 = 0 + 0.5

Reorder the terms:
-0.5 + 0.5 + -1x + x2 = 0 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + -1x + x2 = 0 + 0.5
-1x + x2 = 0 + 0.5

Combine like terms: 0 + 0.5 = 0.5
-1x + x2 = 0.5

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 = 0.5 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 0.5 + 0.25

Combine like terms: 0.5 + 0.25 = 0.75
0.25 + -1x + x2 = 0.75

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 0.75

Calculate the square root of the right side: 0.866025404

Break this problem into two subproblems by setting 
(x + -0.5) equal to 0.866025404 and -0.866025404.

Subproblem 1

x + -0.5 = 0.866025404 Simplifying x + -0.5 = 0.866025404 Reorder the terms: -0.5 + x = 0.866025404 Solving -0.5 + x = 0.866025404 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 = 0.866025404 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 0.866025404 + 0.5 x = 0.866025404 + 0.5 Combine like terms: 0.866025404 + 0.5 = 1.366025404 x = 1.366025404 Simplifying x = 1.366025404

Subproblem 2

x + -0.5 = -0.866025404 Simplifying x + -0.5 = -0.866025404 Reorder the terms: -0.5 + x = -0.866025404 Solving -0.5 + x = -0.866025404 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 = -0.866025404 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -0.866025404 + 0.5 x = -0.866025404 + 0.5 Combine like terms: -0.866025404 + 0.5 = -0.366025404 x = -0.366025404 Simplifying x = -0.366025404

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.366025404, -0.366025404}

See similar equations:

| 4n+21=a | | 3-11m=m-13 | | .75x-4=7+1.5 | | 4(x-1)=2(x+3)-(2x-3) | | 3x-2x-6=4x-7 | | 4x-16y=64 | | 3(x-8)=-(2x-1) | | x+4+2x=3x+4 | | 8x-2x+4=4x+4-8 | | 6x^2+9x^2-6x= | | 0.66a+2=.33(4a+1) | | n-7.8=12.5 | | y+90= | | 2x+20+10x=10x-12+6x | | 18+x+1+4*10= | | 20+4x=32 | | -2(x-3)=7-(x+2) | | 2+2x=4+x+6 | | (x-3)(x+1)(x-4)=0 | | 15n+8=38 | | y=ax-0.9 | | p-6=-11 | | n+15=19 | | 5x-(-5x)= | | 2x-5y+45z= | | 4c+5(3)=24 | | 7(2p+3)=24 | | x^2-20x+85=0 | | 10n-14=66 | | 5n+6=16whatisn | | -17=x-(15) | | -5x^2-150=0 |

Equations solver categories