2x^2-12x=1

Simple and best practice solution for 2x^2-12x=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 2x^2-12x=1 equation:


Simplifying
2x2 + -12x = 1

Reorder the terms:
-12x + 2x2 = 1

Solving
-12x + 2x2 = 1

Solving for variable 'x'.

Reorder the terms:
-1 + -12x + 2x2 = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + -12x + 2x2 = 0

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

Divide each side by '2'.
-0.5 + -6x + x2 = 0

Move the constant term to the right:

Add '0.5' to each side of the equation.
-0.5 + -6x + 0.5 + x2 = 0 + 0.5

Reorder the terms:
-0.5 + 0.5 + -6x + x2 = 0 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + -6x + x2 = 0 + 0.5
-6x + x2 = 0 + 0.5

Combine like terms: 0 + 0.5 = 0.5
-6x + x2 = 0.5

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = 0.5 + 9

Reorder the terms:
9 + -6x + x2 = 0.5 + 9

Combine like terms: 0.5 + 9 = 9.5
9 + -6x + x2 = 9.5

Factor a perfect square on the left side:
(x + -3)(x + -3) = 9.5

Calculate the square root of the right side: 3.082207001

Break this problem into two subproblems by setting 
(x + -3) equal to 3.082207001 and -3.082207001.

Subproblem 1

x + -3 = 3.082207001 Simplifying x + -3 = 3.082207001 Reorder the terms: -3 + x = 3.082207001 Solving -3 + x = 3.082207001 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 3.082207001 + 3 Combine like terms: -3 + 3 = 0 0 + x = 3.082207001 + 3 x = 3.082207001 + 3 Combine like terms: 3.082207001 + 3 = 6.082207001 x = 6.082207001 Simplifying x = 6.082207001

Subproblem 2

x + -3 = -3.082207001 Simplifying x + -3 = -3.082207001 Reorder the terms: -3 + x = -3.082207001 Solving -3 + x = -3.082207001 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -3.082207001 + 3 Combine like terms: -3 + 3 = 0 0 + x = -3.082207001 + 3 x = -3.082207001 + 3 Combine like terms: -3.082207001 + 3 = -0.082207001 x = -0.082207001 Simplifying x = -0.082207001

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.082207001, -0.082207001}

See similar equations:

| x+7=3x-17 | | 6s^2+57s+72=0 | | 18x^2-69x+56=0 | | 0.50m+7=532 | | 2+x=7x+34 | | X^2-9x+17=3 | | 9n+5+n=25 | | 68=170-w | | X^2-9x+17=0 | | 6p-3=75 | | z^2-6z+8=0 | | 10+4x=3x+20 | | 11+g/4-3=12 | | -v+58=223 | | 27-6d=7+4d | | 9+x=5x+1 | | 4m^2+8=72 | | 18x-69x+56=0 | | 3x^2+24x=-48 | | (1/2)x=3 | | x+10=7+4x | | 274=178-x | | m^2-14m+45=0 | | 8x+12y=o | | z^2-8z+15=0 | | 8a^2+8a=0 | | 8x-5=36x+16 | | 3x+9=13+x | | n^2=-22n-121 | | 6x+10=7+7x | | -8.4=7.2+x | | 12x^2+2xy-10y^2=0 |

Equations solver categories