2x^2-24x-5=2

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Solution for 2x^2-24x-5=2 equation:


Simplifying
2x2 + -24x + -5 = 2

Reorder the terms:
-5 + -24x + 2x2 = 2

Solving
-5 + -24x + 2x2 = 2

Solving for variable 'x'.

Reorder the terms:
-5 + -2 + -24x + 2x2 = 2 + -2

Combine like terms: -5 + -2 = -7
-7 + -24x + 2x2 = 2 + -2

Combine like terms: 2 + -2 = 0
-7 + -24x + 2x2 = 0

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

Divide each side by '2'.
-3.5 + -12x + x2 = 0

Move the constant term to the right:

Add '3.5' to each side of the equation.
-3.5 + -12x + 3.5 + x2 = 0 + 3.5

Reorder the terms:
-3.5 + 3.5 + -12x + x2 = 0 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + -12x + x2 = 0 + 3.5
-12x + x2 = 0 + 3.5

Combine like terms: 0 + 3.5 = 3.5
-12x + x2 = 3.5

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 = 3.5 + 36

Reorder the terms:
36 + -12x + x2 = 3.5 + 36

Combine like terms: 3.5 + 36 = 39.5
36 + -12x + x2 = 39.5

Factor a perfect square on the left side:
(x + -6)(x + -6) = 39.5

Calculate the square root of the right side: 6.284902545

Break this problem into two subproblems by setting 
(x + -6) equal to 6.284902545 and -6.284902545.

Subproblem 1

x + -6 = 6.284902545 Simplifying x + -6 = 6.284902545 Reorder the terms: -6 + x = 6.284902545 Solving -6 + x = 6.284902545 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 = 6.284902545 + 6 Combine like terms: -6 + 6 = 0 0 + x = 6.284902545 + 6 x = 6.284902545 + 6 Combine like terms: 6.284902545 + 6 = 12.284902545 x = 12.284902545 Simplifying x = 12.284902545

Subproblem 2

x + -6 = -6.284902545 Simplifying x + -6 = -6.284902545 Reorder the terms: -6 + x = -6.284902545 Solving -6 + x = -6.284902545 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 = -6.284902545 + 6 Combine like terms: -6 + 6 = 0 0 + x = -6.284902545 + 6 x = -6.284902545 + 6 Combine like terms: -6.284902545 + 6 = -0.284902545 x = -0.284902545 Simplifying x = -0.284902545

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.284902545, -0.284902545}

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