2Cos^3x-Cos^2x+2Cosx-1=0

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Solution for 2Cos^3x-Cos^2x+2Cosx-1=0 equation: 


Simplifying
2Cos3x + -1Cos2x + 2Cosx + -1 = 0

Reorder the terms:
-1 + 2osxC + -1os2xC + 2os3xC = 0

Solving
-1 + 2osxC + -1os2xC + 2os3xC = 0

Solving for variable 'o'.

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

Add '1' to each side of the equation.
-1 + 2osxC + -1os2xC + 1 + 2os3xC = 0 + 1

Reorder the terms:
-1 + 1 + 2osxC + -1os2xC + 2os3xC = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 2osxC + -1os2xC + 2os3xC = 0 + 1
2osxC + -1os2xC + 2os3xC = 0 + 1

Combine like terms: 0 + 1 = 1
2osxC + -1os2xC + 2os3xC = 1

Reorder the terms:
-1 + 2osxC + -1os2xC + 2os3xC = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + 2osxC + -1os2xC + 2os3xC = 0

The solution to this equation could not be determined.

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