(6x^2-2x+8)+(5x^2+6x-4)=0

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Solution for (6x^2-2x+8)+(5x^2+6x-4)=0 equation:


Simplifying
(6x2 + -2x + 8) + (5x2 + 6x + -4) = 0

Reorder the terms:
(8 + -2x + 6x2) + (5x2 + 6x + -4) = 0

Remove parenthesis around (8 + -2x + 6x2)
8 + -2x + 6x2 + (5x2 + 6x + -4) = 0

Reorder the terms:
8 + -2x + 6x2 + (-4 + 6x + 5x2) = 0

Remove parenthesis around (-4 + 6x + 5x2)
8 + -2x + 6x2 + -4 + 6x + 5x2 = 0

Reorder the terms:
8 + -4 + -2x + 6x + 6x2 + 5x2 = 0

Combine like terms: 8 + -4 = 4
4 + -2x + 6x + 6x2 + 5x2 = 0

Combine like terms: -2x + 6x = 4x
4 + 4x + 6x2 + 5x2 = 0

Combine like terms: 6x2 + 5x2 = 11x2
4 + 4x + 11x2 = 0

Solving
4 + 4x + 11x2 = 0

Solving for variable 'x'.

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

Divide each side by '11'.
0.3636363636 + 0.3636363636x + x2 = 0

Move the constant term to the right:

Add '-0.3636363636' to each side of the equation.
0.3636363636 + 0.3636363636x + -0.3636363636 + x2 = 0 + -0.3636363636

Reorder the terms:
0.3636363636 + -0.3636363636 + 0.3636363636x + x2 = 0 + -0.3636363636

Combine like terms: 0.3636363636 + -0.3636363636 = 0.0000000000
0.0000000000 + 0.3636363636x + x2 = 0 + -0.3636363636
0.3636363636x + x2 = 0 + -0.3636363636

Combine like terms: 0 + -0.3636363636 = -0.3636363636
0.3636363636x + x2 = -0.3636363636

The x term is 0.3636363636x.  Take half its coefficient (0.1818181818).
Square it (0.03305785123) and add it to both sides.

Add '0.03305785123' to each side of the equation.
0.3636363636x + 0.03305785123 + x2 = -0.3636363636 + 0.03305785123

Reorder the terms:
0.03305785123 + 0.3636363636x + x2 = -0.3636363636 + 0.03305785123

Combine like terms: -0.3636363636 + 0.03305785123 = -0.33057851237
0.03305785123 + 0.3636363636x + x2 = -0.33057851237

Factor a perfect square on the left side:
(x + 0.1818181818)(x + 0.1818181818) = -0.33057851237

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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