x^2+2cx-1=0

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Solution for x^2+2cx-1=0 equation:


Simplifying
x2 + 2cx + -1 = 0

Reorder the terms:
-1 + 2cx + x2 = 0

Solving
-1 + 2cx + x2 = 0

Solving for variable 'c'.

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

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

Reorder the terms:
-1 + 1 + 2cx + x2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 2cx + x2 = 0 + 1
2cx + x2 = 0 + 1

Combine like terms: 0 + 1 = 1
2cx + x2 = 1

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

Combine like terms: x2 + -1x2 = 0
2cx + 0 = 1 + -1x2
2cx = 1 + -1x2

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

Simplifying
c = 0.5x-1 + -0.5x

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