x^2+2ax-k=0

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Solution for x^2+2ax-k=0 equation:


Simplifying
x2 + 2ax + -1k = 0

Reorder the terms:
2ax + -1k + x2 = 0

Solving
2ax + -1k + x2 = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add 'k' to each side of the equation.
2ax + -1k + k + x2 = 0 + k

Combine like terms: -1k + k = 0
2ax + 0 + x2 = 0 + k
2ax + x2 = 0 + k
Remove the zero:
2ax + x2 = k

Add '-1x2' to each side of the equation.
2ax + x2 + -1x2 = k + -1x2

Combine like terms: x2 + -1x2 = 0
2ax + 0 = k + -1x2
2ax = k + -1x2

Divide each side by '2x'.
a = 0.5kx-1 + -0.5x

Simplifying
a = 0.5kx-1 + -0.5x

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