-2x^2-24x+1=0

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Solution for -2x^2-24x+1=0 equation:


Simplifying
-2x2 + -24x + 1 = 0

Reorder the terms:
1 + -24x + -2x2 = 0

Solving
1 + -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'.
-0.5 + 12x + x2 = 0

Move the constant term to the right:

Add '0.5' to each side of the equation.
-0.5 + 12x + 0.5 + x2 = 0 + 0.5

Reorder the terms:
-0.5 + 0.5 + 12x + x2 = 0 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + 12x + x2 = 0 + 0.5
12x + x2 = 0 + 0.5

Combine like terms: 0 + 0.5 = 0.5
12x + x2 = 0.5

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 = 0.5 + 36

Reorder the terms:
36 + 12x + x2 = 0.5 + 36

Combine like terms: 0.5 + 36 = 36.5
36 + 12x + x2 = 36.5

Factor a perfect square on the left side:
(x + 6)(x + 6) = 36.5

Calculate the square root of the right side: 6.041522987

Break this problem into two subproblems by setting 
(x + 6) equal to 6.041522987 and -6.041522987.

Subproblem 1

x + 6 = 6.041522987 Simplifying x + 6 = 6.041522987 Reorder the terms: 6 + x = 6.041522987 Solving 6 + x = 6.041522987 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 = 6.041522987 + -6 Combine like terms: 6 + -6 = 0 0 + x = 6.041522987 + -6 x = 6.041522987 + -6 Combine like terms: 6.041522987 + -6 = 0.041522987 x = 0.041522987 Simplifying x = 0.041522987

Subproblem 2

x + 6 = -6.041522987 Simplifying x + 6 = -6.041522987 Reorder the terms: 6 + x = -6.041522987 Solving 6 + x = -6.041522987 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 = -6.041522987 + -6 Combine like terms: 6 + -6 = 0 0 + x = -6.041522987 + -6 x = -6.041522987 + -6 Combine like terms: -6.041522987 + -6 = -12.041522987 x = -12.041522987 Simplifying x = -12.041522987

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.041522987, -12.041522987}

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