(6x^2-4x-29)+(4x^2+9x)=

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Solution for (6x^2-4x-29)+(4x^2+9x)= equation:


Simplifying
(6x2 + -4x + -29) + (4x2 + 9x) = 0

Reorder the terms:
(-29 + -4x + 6x2) + (4x2 + 9x) = 0

Remove parenthesis around (-29 + -4x + 6x2)
-29 + -4x + 6x2 + (4x2 + 9x) = 0

Reorder the terms:
-29 + -4x + 6x2 + (9x + 4x2) = 0

Remove parenthesis around (9x + 4x2)
-29 + -4x + 6x2 + 9x + 4x2 = 0

Reorder the terms:
-29 + -4x + 9x + 6x2 + 4x2 = 0

Combine like terms: -4x + 9x = 5x
-29 + 5x + 6x2 + 4x2 = 0

Combine like terms: 6x2 + 4x2 = 10x2
-29 + 5x + 10x2 = 0

Solving
-29 + 5x + 10x2 = 0

Solving for variable 'x'.

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

Divide each side by '10'.
-2.9 + 0.5x + x2 = 0.0

Move the constant term to the right:

Add '2.9' to each side of the equation.
-2.9 + 0.5x + 2.9 + x2 = 0.0 + 2.9

Reorder the terms:
-2.9 + 2.9 + 0.5x + x2 = 0.0 + 2.9

Combine like terms: -2.9 + 2.9 = 0.0
0.0 + 0.5x + x2 = 0.0 + 2.9
0.5x + x2 = 0.0 + 2.9

Combine like terms: 0.0 + 2.9 = 2.9
0.5x + x2 = 2.9

The x term is 0.5x.  Take half its coefficient (0.25).
Square it (0.0625) and add it to both sides.

Add '0.0625' to each side of the equation.
0.5x + 0.0625 + x2 = 2.9 + 0.0625

Reorder the terms:
0.0625 + 0.5x + x2 = 2.9 + 0.0625

Combine like terms: 2.9 + 0.0625 = 2.9625
0.0625 + 0.5x + x2 = 2.9625

Factor a perfect square on the left side:
(x + 0.25)(x + 0.25) = 2.9625

Calculate the square root of the right side: 1.721191448

Break this problem into two subproblems by setting 
(x + 0.25) equal to 1.721191448 and -1.721191448.

Subproblem 1

x + 0.25 = 1.721191448 Simplifying x + 0.25 = 1.721191448 Reorder the terms: 0.25 + x = 1.721191448 Solving 0.25 + x = 1.721191448 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.25' to each side of the equation. 0.25 + -0.25 + x = 1.721191448 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + x = 1.721191448 + -0.25 x = 1.721191448 + -0.25 Combine like terms: 1.721191448 + -0.25 = 1.471191448 x = 1.471191448 Simplifying x = 1.471191448

Subproblem 2

x + 0.25 = -1.721191448 Simplifying x + 0.25 = -1.721191448 Reorder the terms: 0.25 + x = -1.721191448 Solving 0.25 + x = -1.721191448 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.25' to each side of the equation. 0.25 + -0.25 + x = -1.721191448 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + x = -1.721191448 + -0.25 x = -1.721191448 + -0.25 Combine like terms: -1.721191448 + -0.25 = -1.971191448 x = -1.971191448 Simplifying x = -1.971191448

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.471191448, -1.971191448}

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