(6x^2-3x-6)-(-7x^2+3x-8)=0

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Solution for (6x^2-3x-6)-(-7x^2+3x-8)=0 equation:


Simplifying
(6x2 + -3x + -6) + -1(-7x2 + 3x + -8) = 0

Reorder the terms:
(-6 + -3x + 6x2) + -1(-7x2 + 3x + -8) = 0

Remove parenthesis around (-6 + -3x + 6x2)
-6 + -3x + 6x2 + -1(-7x2 + 3x + -8) = 0

Reorder the terms:
-6 + -3x + 6x2 + -1(-8 + 3x + -7x2) = 0
-6 + -3x + 6x2 + (-8 * -1 + 3x * -1 + -7x2 * -1) = 0
-6 + -3x + 6x2 + (8 + -3x + 7x2) = 0

Reorder the terms:
-6 + 8 + -3x + -3x + 6x2 + 7x2 = 0

Combine like terms: -6 + 8 = 2
2 + -3x + -3x + 6x2 + 7x2 = 0

Combine like terms: -3x + -3x = -6x
2 + -6x + 6x2 + 7x2 = 0

Combine like terms: 6x2 + 7x2 = 13x2
2 + -6x + 13x2 = 0

Solving
2 + -6x + 13x2 = 0

Solving for variable 'x'.

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

Divide each side by '13'.
0.1538461538 + -0.4615384615x + x2 = 0

Move the constant term to the right:

Add '-0.1538461538' to each side of the equation.
0.1538461538 + -0.4615384615x + -0.1538461538 + x2 = 0 + -0.1538461538

Reorder the terms:
0.1538461538 + -0.1538461538 + -0.4615384615x + x2 = 0 + -0.1538461538

Combine like terms: 0.1538461538 + -0.1538461538 = 0.0000000000
0.0000000000 + -0.4615384615x + x2 = 0 + -0.1538461538
-0.4615384615x + x2 = 0 + -0.1538461538

Combine like terms: 0 + -0.1538461538 = -0.1538461538
-0.4615384615x + x2 = -0.1538461538

The x term is -0.4615384615x.  Take half its coefficient (-0.2307692308).
Square it (0.05325443788) and add it to both sides.

Add '0.05325443788' to each side of the equation.
-0.4615384615x + 0.05325443788 + x2 = -0.1538461538 + 0.05325443788

Reorder the terms:
0.05325443788 + -0.4615384615x + x2 = -0.1538461538 + 0.05325443788

Combine like terms: -0.1538461538 + 0.05325443788 = -0.10059171592
0.05325443788 + -0.4615384615x + x2 = -0.10059171592

Factor a perfect square on the left side:
(x + -0.2307692308)(x + -0.2307692308) = -0.10059171592

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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