5x^2-13x-4=-2x+13x+4

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Solution for 5x^2-13x-4=-2x+13x+4 equation:


Simplifying
5x2 + -13x + -4 = -2x + 13x + 4

Reorder the terms:
-4 + -13x + 5x2 = -2x + 13x + 4

Reorder the terms:
-4 + -13x + 5x2 = 4 + -2x + 13x

Combine like terms: -2x + 13x = 11x
-4 + -13x + 5x2 = 4 + 11x

Solving
-4 + -13x + 5x2 = 4 + 11x

Solving for variable 'x'.

Reorder the terms:
-4 + -4 + -13x + -11x + 5x2 = 4 + 11x + -4 + -11x

Combine like terms: -4 + -4 = -8
-8 + -13x + -11x + 5x2 = 4 + 11x + -4 + -11x

Combine like terms: -13x + -11x = -24x
-8 + -24x + 5x2 = 4 + 11x + -4 + -11x

Reorder the terms:
-8 + -24x + 5x2 = 4 + -4 + 11x + -11x

Combine like terms: 4 + -4 = 0
-8 + -24x + 5x2 = 0 + 11x + -11x
-8 + -24x + 5x2 = 11x + -11x

Combine like terms: 11x + -11x = 0
-8 + -24x + 5x2 = 0

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

Divide each side by '5'.
-1.6 + -4.8x + x2 = 0

Move the constant term to the right:

Add '1.6' to each side of the equation.
-1.6 + -4.8x + 1.6 + x2 = 0 + 1.6

Reorder the terms:
-1.6 + 1.6 + -4.8x + x2 = 0 + 1.6

Combine like terms: -1.6 + 1.6 = 0.0
0.0 + -4.8x + x2 = 0 + 1.6
-4.8x + x2 = 0 + 1.6

Combine like terms: 0 + 1.6 = 1.6
-4.8x + x2 = 1.6

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 = 1.6 + 5.76

Reorder the terms:
5.76 + -4.8x + x2 = 1.6 + 5.76

Combine like terms: 1.6 + 5.76 = 7.36
5.76 + -4.8x + x2 = 7.36

Factor a perfect square on the left side:
(x + -2.4)(x + -2.4) = 7.36

Calculate the square root of the right side: 2.712931993

Break this problem into two subproblems by setting 
(x + -2.4) equal to 2.712931993 and -2.712931993.

Subproblem 1

x + -2.4 = 2.712931993 Simplifying x + -2.4 = 2.712931993 Reorder the terms: -2.4 + x = 2.712931993 Solving -2.4 + x = 2.712931993 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 = 2.712931993 + 2.4 Combine like terms: -2.4 + 2.4 = 0.0 0.0 + x = 2.712931993 + 2.4 x = 2.712931993 + 2.4 Combine like terms: 2.712931993 + 2.4 = 5.112931993 x = 5.112931993 Simplifying x = 5.112931993

Subproblem 2

x + -2.4 = -2.712931993 Simplifying x + -2.4 = -2.712931993 Reorder the terms: -2.4 + x = -2.712931993 Solving -2.4 + x = -2.712931993 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 = -2.712931993 + 2.4 Combine like terms: -2.4 + 2.4 = 0.0 0.0 + x = -2.712931993 + 2.4 x = -2.712931993 + 2.4 Combine like terms: -2.712931993 + 2.4 = -0.312931993 x = -0.312931993 Simplifying x = -0.312931993

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.112931993, -0.312931993}

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