4cos^3x-2cos^2x-2cosx+1=0

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Solution for 4cos^3x-2cos^2x-2cosx+1=0 equation:


Simplifying
4cos3x + -2cos2x + -2cosx + 1 = 0

Reorder the terms:
1 + -2cosx + -2cos2x + 4cos3x = 0

Solving
1 + -2cosx + -2cos2x + 4cos3x = 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 + -2cosx + -2cos2x + -1 + 4cos3x = 0 + -1

Reorder the terms:
1 + -1 + -2cosx + -2cos2x + 4cos3x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -2cosx + -2cos2x + 4cos3x = 0 + -1
-2cosx + -2cos2x + 4cos3x = 0 + -1

Combine like terms: 0 + -1 = -1
-2cosx + -2cos2x + 4cos3x = -1

Reorder the terms:
1 + -2cosx + -2cos2x + 4cos3x = -1 + 1

Combine like terms: -1 + 1 = 0
1 + -2cosx + -2cos2x + 4cos3x = 0

The solution to this equation could not be determined.

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