7j^2-7j+5=0

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Solution for 7j^2-7j+5=0 equation:


Simplifying
7j2 + -7j + 5 = 0

Reorder the terms:
5 + -7j + 7j2 = 0

Solving
5 + -7j + 7j2 = 0

Solving for variable 'j'.

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

Divide each side by '7'.
0.7142857143 + -1j + j2 = 0

Move the constant term to the right:

Add '-0.7142857143' to each side of the equation.
0.7142857143 + -1j + -0.7142857143 + j2 = 0 + -0.7142857143

Reorder the terms:
0.7142857143 + -0.7142857143 + -1j + j2 = 0 + -0.7142857143

Combine like terms: 0.7142857143 + -0.7142857143 = 0.0000000000
0.0000000000 + -1j + j2 = 0 + -0.7142857143
-1j + j2 = 0 + -0.7142857143

Combine like terms: 0 + -0.7142857143 = -0.7142857143
-1j + j2 = -0.7142857143

The j term is -1j.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1j + 0.25 + j2 = -0.7142857143 + 0.25

Reorder the terms:
0.25 + -1j + j2 = -0.7142857143 + 0.25

Combine like terms: -0.7142857143 + 0.25 = -0.4642857143
0.25 + -1j + j2 = -0.4642857143

Factor a perfect square on the left side:
(j + -0.5)(j + -0.5) = -0.4642857143

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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