x^2-6x=6+x

Simple and best practice solution for x^2-6x=6+x 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^2-6x=6+x equation:


Simplifying
x2 + -6x = 6 + x

Reorder the terms:
-6x + x2 = 6 + x

Solving
-6x + x2 = 6 + x

Solving for variable 'x'.

Reorder the terms:
-6 + -6x + -1x + x2 = 6 + x + -6 + -1x

Combine like terms: -6x + -1x = -7x
-6 + -7x + x2 = 6 + x + -6 + -1x

Reorder the terms:
-6 + -7x + x2 = 6 + -6 + x + -1x

Combine like terms: 6 + -6 = 0
-6 + -7x + x2 = 0 + x + -1x
-6 + -7x + x2 = x + -1x

Combine like terms: x + -1x = 0
-6 + -7x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '6' to each side of the equation.
-6 + -7x + 6 + x2 = 0 + 6

Reorder the terms:
-6 + 6 + -7x + x2 = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -7x + x2 = 0 + 6
-7x + x2 = 0 + 6

Combine like terms: 0 + 6 = 6
-7x + x2 = 6

The x term is -7x.  Take half its coefficient (-3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
-7x + 12.25 + x2 = 6 + 12.25

Reorder the terms:
12.25 + -7x + x2 = 6 + 12.25

Combine like terms: 6 + 12.25 = 18.25
12.25 + -7x + x2 = 18.25

Factor a perfect square on the left side:
(x + -3.5)(x + -3.5) = 18.25

Calculate the square root of the right side: 4.272001873

Break this problem into two subproblems by setting 
(x + -3.5) equal to 4.272001873 and -4.272001873.

Subproblem 1

x + -3.5 = 4.272001873 Simplifying x + -3.5 = 4.272001873 Reorder the terms: -3.5 + x = 4.272001873 Solving -3.5 + x = 4.272001873 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = 4.272001873 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = 4.272001873 + 3.5 x = 4.272001873 + 3.5 Combine like terms: 4.272001873 + 3.5 = 7.772001873 x = 7.772001873 Simplifying x = 7.772001873

Subproblem 2

x + -3.5 = -4.272001873 Simplifying x + -3.5 = -4.272001873 Reorder the terms: -3.5 + x = -4.272001873 Solving -3.5 + x = -4.272001873 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = -4.272001873 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = -4.272001873 + 3.5 x = -4.272001873 + 3.5 Combine like terms: -4.272001873 + 3.5 = -0.772001873 x = -0.772001873 Simplifying x = -0.772001873

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.772001873, -0.772001873}

See similar equations:

| 1-2x=-10 | | 9x+28=4x+2 | | 9(9)+7y=63 | | 63=9(9)+7y | | 3(x-2)+2x-4=5(x+4) | | -2x+(1/3)=(2/3) | | 14b-9b=3 | | -5600.00+200.00x=2800 | | -x+1=-2x+9 | | y=2/5(0.4)+4 | | -95+2x=10x+137 | | x-7=5x-31 | | z^2=-25 | | 0.03x=95 | | 10x^4-3x^2+1=0 | | 5/6x-2x+4/3=5/6 | | 8-4x=-7x+8 | | 2x-2(5)=14 | | 504=6(7x+14) | | p=-2s^2+50s-10 | | 6-4x=6x-4 | | 5+7y=19 | | 7(12-10)-4-3= | | 3x+19=31x+61 | | x+1=17-3x | | 2x^4-4x^3-2=0 | | 10x+13=6x+57 | | T=3p-2q | | 7+x/7+x-(-3) | | 25+4-1= | | 8(8x-3)=552 | | a^2-8a=209 |

Equations solver categories