12x^2-144x+299=0

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Solution for 12x^2-144x+299=0 equation:


Simplifying
12x2 + -144x + 299 = 0

Reorder the terms:
299 + -144x + 12x2 = 0

Solving
299 + -144x + 12x2 = 0

Solving for variable 'x'.

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

Divide each side by '12'.
24.91666667 + -12x + x2 = 0

Move the constant term to the right:

Add '-24.91666667' to each side of the equation.
24.91666667 + -12x + -24.91666667 + x2 = 0 + -24.91666667

Reorder the terms:
24.91666667 + -24.91666667 + -12x + x2 = 0 + -24.91666667

Combine like terms: 24.91666667 + -24.91666667 = 0.00000000
0.00000000 + -12x + x2 = 0 + -24.91666667
-12x + x2 = 0 + -24.91666667

Combine like terms: 0 + -24.91666667 = -24.91666667
-12x + x2 = -24.91666667

The x term is -12x.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12x + 36 + x2 = -24.91666667 + 36

Reorder the terms:
36 + -12x + x2 = -24.91666667 + 36

Combine like terms: -24.91666667 + 36 = 11.08333333
36 + -12x + x2 = 11.08333333

Factor a perfect square on the left side:
(x + -6)(x + -6) = 11.08333333

Calculate the square root of the right side: 3.329164059

Break this problem into two subproblems by setting 
(x + -6) equal to 3.329164059 and -3.329164059.

Subproblem 1

x + -6 = 3.329164059 Simplifying x + -6 = 3.329164059 Reorder the terms: -6 + x = 3.329164059 Solving -6 + x = 3.329164059 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 3.329164059 + 6 Combine like terms: -6 + 6 = 0 0 + x = 3.329164059 + 6 x = 3.329164059 + 6 Combine like terms: 3.329164059 + 6 = 9.329164059 x = 9.329164059 Simplifying x = 9.329164059

Subproblem 2

x + -6 = -3.329164059 Simplifying x + -6 = -3.329164059 Reorder the terms: -6 + x = -3.329164059 Solving -6 + x = -3.329164059 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = -3.329164059 + 6 Combine like terms: -6 + 6 = 0 0 + x = -3.329164059 + 6 x = -3.329164059 + 6 Combine like terms: -3.329164059 + 6 = 2.670835941 x = 2.670835941 Simplifying x = 2.670835941

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.329164059, 2.670835941}

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