7k^2+18=14k

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Solution for 7k^2+18=14k equation:


Simplifying
7k2 + 18 = 14k

Reorder the terms:
18 + 7k2 = 14k

Solving
18 + 7k2 = 14k

Solving for variable 'k'.

Reorder the terms:
18 + -14k + 7k2 = 14k + -14k

Combine like terms: 14k + -14k = 0
18 + -14k + 7k2 = 0

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

Divide each side by '7'.
2.571428571 + -2k + k2 = 0

Move the constant term to the right:

Add '-2.571428571' to each side of the equation.
2.571428571 + -2k + -2.571428571 + k2 = 0 + -2.571428571

Reorder the terms:
2.571428571 + -2.571428571 + -2k + k2 = 0 + -2.571428571

Combine like terms: 2.571428571 + -2.571428571 = 0.000000000
0.000000000 + -2k + k2 = 0 + -2.571428571
-2k + k2 = 0 + -2.571428571

Combine like terms: 0 + -2.571428571 = -2.571428571
-2k + k2 = -2.571428571

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 = -2.571428571 + 1

Reorder the terms:
1 + -2k + k2 = -2.571428571 + 1

Combine like terms: -2.571428571 + 1 = -1.571428571
1 + -2k + k2 = -1.571428571

Factor a perfect square on the left side:
(k + -1)(k + -1) = -1.571428571

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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