5x^2-24x-5=5

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


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

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

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

Solving for variable 'x'.

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

Combine like terms: -5 + -5 = -10
-10 + -24x + 5x2 = 5 + -5

Combine like terms: 5 + -5 = 0
-10 + -24x + 5x2 = 0

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

Divide each side by '5'.
-2 + -4.8x + x2 = 0

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + -4.8x + 2 + x2 = 0 + 2

Reorder the terms:
-2 + 2 + -4.8x + x2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -4.8x + x2 = 0 + 2
-4.8x + x2 = 0 + 2

Combine like terms: 0 + 2 = 2
-4.8x + x2 = 2

The x term is -4.8x.  Take half its coefficient (-2.4).
Square it (5.76) and add it to both sides.

Add '5.76' to each side of the equation.
-4.8x + 5.76 + x2 = 2 + 5.76

Reorder the terms:
5.76 + -4.8x + x2 = 2 + 5.76

Combine like terms: 2 + 5.76 = 7.76
5.76 + -4.8x + x2 = 7.76

Factor a perfect square on the left side:
(x + -2.4)(x + -2.4) = 7.76

Calculate the square root of the right side: 2.785677655

Break this problem into two subproblems by setting 
(x + -2.4) equal to 2.785677655 and -2.785677655.

Subproblem 1

x + -2.4 = 2.785677655 Simplifying x + -2.4 = 2.785677655 Reorder the terms: -2.4 + x = 2.785677655 Solving -2.4 + x = 2.785677655 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.4' to each side of the equation. -2.4 + 2.4 + x = 2.785677655 + 2.4 Combine like terms: -2.4 + 2.4 = 0.0 0.0 + x = 2.785677655 + 2.4 x = 2.785677655 + 2.4 Combine like terms: 2.785677655 + 2.4 = 5.185677655 x = 5.185677655 Simplifying x = 5.185677655

Subproblem 2

x + -2.4 = -2.785677655 Simplifying x + -2.4 = -2.785677655 Reorder the terms: -2.4 + x = -2.785677655 Solving -2.4 + x = -2.785677655 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.4' to each side of the equation. -2.4 + 2.4 + x = -2.785677655 + 2.4 Combine like terms: -2.4 + 2.4 = 0.0 0.0 + x = -2.785677655 + 2.4 x = -2.785677655 + 2.4 Combine like terms: -2.785677655 + 2.4 = -0.385677655 x = -0.385677655 Simplifying x = -0.385677655

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.185677655, -0.385677655}

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