7x^2=-14x-13

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Solution for 7x^2=-14x-13 equation:


Simplifying
7x2 = -14x + -13

Reorder the terms:
7x2 = -13 + -14x

Solving
7x2 = -13 + -14x

Solving for variable 'x'.

Reorder the terms:
13 + 14x + 7x2 = -13 + -14x + 13 + 14x

Reorder the terms:
13 + 14x + 7x2 = -13 + 13 + -14x + 14x

Combine like terms: -13 + 13 = 0
13 + 14x + 7x2 = 0 + -14x + 14x
13 + 14x + 7x2 = -14x + 14x

Combine like terms: -14x + 14x = 0
13 + 14x + 7x2 = 0

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

Divide each side by '7'.
1.857142857 + 2x + x2 = 0

Move the constant term to the right:

Add '-1.857142857' to each side of the equation.
1.857142857 + 2x + -1.857142857 + x2 = 0 + -1.857142857

Reorder the terms:
1.857142857 + -1.857142857 + 2x + x2 = 0 + -1.857142857

Combine like terms: 1.857142857 + -1.857142857 = 0.000000000
0.000000000 + 2x + x2 = 0 + -1.857142857
2x + x2 = 0 + -1.857142857

Combine like terms: 0 + -1.857142857 = -1.857142857
2x + x2 = -1.857142857

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = -1.857142857 + 1

Reorder the terms:
1 + 2x + x2 = -1.857142857 + 1

Combine like terms: -1.857142857 + 1 = -0.857142857
1 + 2x + x2 = -0.857142857

Factor a perfect square on the left side:
(x + 1)(x + 1) = -0.857142857

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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