(x^2-5x-2)-(-6x^2-7x-3)=

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Solution for (x^2-5x-2)-(-6x^2-7x-3)= equation:


Simplifying
(x2 + -5x + -2) + -1(-6x2 + -7x + -3) = 0

Reorder the terms:
(-2 + -5x + x2) + -1(-6x2 + -7x + -3) = 0

Remove parenthesis around (-2 + -5x + x2)
-2 + -5x + x2 + -1(-6x2 + -7x + -3) = 0

Reorder the terms:
-2 + -5x + x2 + -1(-3 + -7x + -6x2) = 0
-2 + -5x + x2 + (-3 * -1 + -7x * -1 + -6x2 * -1) = 0
-2 + -5x + x2 + (3 + 7x + 6x2) = 0

Reorder the terms:
-2 + 3 + -5x + 7x + x2 + 6x2 = 0

Combine like terms: -2 + 3 = 1
1 + -5x + 7x + x2 + 6x2 = 0

Combine like terms: -5x + 7x = 2x
1 + 2x + x2 + 6x2 = 0

Combine like terms: x2 + 6x2 = 7x2
1 + 2x + 7x2 = 0

Solving
1 + 2x + 7x2 = 0

Solving for variable 'x'.

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

Divide each side by '7'.
0.1428571429 + 0.2857142857x + x2 = 0

Move the constant term to the right:

Add '-0.1428571429' to each side of the equation.
0.1428571429 + 0.2857142857x + -0.1428571429 + x2 = 0 + -0.1428571429

Reorder the terms:
0.1428571429 + -0.1428571429 + 0.2857142857x + x2 = 0 + -0.1428571429

Combine like terms: 0.1428571429 + -0.1428571429 = 0.0000000000
0.0000000000 + 0.2857142857x + x2 = 0 + -0.1428571429
0.2857142857x + x2 = 0 + -0.1428571429

Combine like terms: 0 + -0.1428571429 = -0.1428571429
0.2857142857x + x2 = -0.1428571429

The x term is 0.2857142857x.  Take half its coefficient (0.1428571429).
Square it (0.02040816328) and add it to both sides.

Add '0.02040816328' to each side of the equation.
0.2857142857x + 0.02040816328 + x2 = -0.1428571429 + 0.02040816328

Reorder the terms:
0.02040816328 + 0.2857142857x + x2 = -0.1428571429 + 0.02040816328

Combine like terms: -0.1428571429 + 0.02040816328 = -0.12244897962
0.02040816328 + 0.2857142857x + x2 = -0.12244897962

Factor a perfect square on the left side:
(x + 0.1428571429)(x + 0.1428571429) = -0.12244897962

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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