2x^2-24x-3=0

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Solution for 2x^2-24x-3=0 equation:


Simplifying
2x2 + -24x + -3 = 0

Reorder the terms:
-3 + -24x + 2x2 = 0

Solving
-3 + -24x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
-1.5 + -12x + x2 = 0

Move the constant term to the right:

Add '1.5' to each side of the equation.
-1.5 + -12x + 1.5 + x2 = 0 + 1.5

Reorder the terms:
-1.5 + 1.5 + -12x + x2 = 0 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + -12x + x2 = 0 + 1.5
-12x + x2 = 0 + 1.5

Combine like terms: 0 + 1.5 = 1.5
-12x + x2 = 1.5

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 = 1.5 + 36

Reorder the terms:
36 + -12x + x2 = 1.5 + 36

Combine like terms: 1.5 + 36 = 37.5
36 + -12x + x2 = 37.5

Factor a perfect square on the left side:
(x + -6)(x + -6) = 37.5

Calculate the square root of the right side: 6.123724357

Break this problem into two subproblems by setting 
(x + -6) equal to 6.123724357 and -6.123724357.

Subproblem 1

x + -6 = 6.123724357 Simplifying x + -6 = 6.123724357 Reorder the terms: -6 + x = 6.123724357 Solving -6 + x = 6.123724357 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 = 6.123724357 + 6 Combine like terms: -6 + 6 = 0 0 + x = 6.123724357 + 6 x = 6.123724357 + 6 Combine like terms: 6.123724357 + 6 = 12.123724357 x = 12.123724357 Simplifying x = 12.123724357

Subproblem 2

x + -6 = -6.123724357 Simplifying x + -6 = -6.123724357 Reorder the terms: -6 + x = -6.123724357 Solving -6 + x = -6.123724357 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 = -6.123724357 + 6 Combine like terms: -6 + 6 = 0 0 + x = -6.123724357 + 6 x = -6.123724357 + 6 Combine like terms: -6.123724357 + 6 = -0.123724357 x = -0.123724357 Simplifying x = -0.123724357

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.123724357, -0.123724357}

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