-7k^2+3k-7=0

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Solution for -7k^2+3k-7=0 equation:


Simplifying
-7k2 + 3k + -7 = 0

Reorder the terms:
-7 + 3k + -7k2 = 0

Solving
-7 + 3k + -7k2 = 0

Solving for variable 'k'.

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

Divide each side by '-7'.
1 + -0.4285714286k + k2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -0.4285714286k + -1 + k2 = 0 + -1

Reorder the terms:
1 + -1 + -0.4285714286k + k2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -0.4285714286k + k2 = 0 + -1
-0.4285714286k + k2 = 0 + -1

Combine like terms: 0 + -1 = -1
-0.4285714286k + k2 = -1

The k term is -0.4285714286k.  Take half its coefficient (-0.2142857143).
Square it (0.04591836735) and add it to both sides.

Add '0.04591836735' to each side of the equation.
-0.4285714286k + 0.04591836735 + k2 = -1 + 0.04591836735

Reorder the terms:
0.04591836735 + -0.4285714286k + k2 = -1 + 0.04591836735

Combine like terms: -1 + 0.04591836735 = -0.95408163265
0.04591836735 + -0.4285714286k + k2 = -0.95408163265

Factor a perfect square on the left side:
(k + -0.2142857143)(k + -0.2142857143) = -0.95408163265

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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