7k^2+14k=-13

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Solution for 7k^2+14k=-13 equation:


Simplifying
7k2 + 14k = -13

Reorder the terms:
14k + 7k2 = -13

Solving
14k + 7k2 = -13

Solving for variable 'k'.

Reorder the terms:
13 + 14k + 7k2 = -13 + 13

Combine like terms: -13 + 13 = 0
13 + 14k + 7k2 = 0

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

Divide each side by '7'.
1.857142857 + 2k + k2 = 0

Move the constant term to the right:

Add '-1.857142857' to each side of the equation.
1.857142857 + 2k + -1.857142857 + k2 = 0 + -1.857142857

Reorder the terms:
1.857142857 + -1.857142857 + 2k + k2 = 0 + -1.857142857

Combine like terms: 1.857142857 + -1.857142857 = 0.000000000
0.000000000 + 2k + k2 = 0 + -1.857142857
2k + k2 = 0 + -1.857142857

Combine like terms: 0 + -1.857142857 = -1.857142857
2k + k2 = -1.857142857

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

Add '1' to each side of the equation.
2k + 1 + k2 = -1.857142857 + 1

Reorder the terms:
1 + 2k + k2 = -1.857142857 + 1

Combine like terms: -1.857142857 + 1 = -0.857142857
1 + 2k + k2 = -0.857142857

Factor a perfect square on the left side:
(k + 1)(k + 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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