3cos^2x-13cosx+8=0

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Solution for 3cos^2x-13cosx+8=0 equation: 


Simplifying
3cos2x + -13cosx + 8 = 0

Reorder the terms:
8 + -13cosx + 3cos2x = 0

Solving
8 + -13cosx + 3cos2x = 0

Solving for variable 'c'.

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

Add '-8' to each side of the equation.
8 + -13cosx + -8 + 3cos2x = 0 + -8

Reorder the terms:
8 + -8 + -13cosx + 3cos2x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -13cosx + 3cos2x = 0 + -8
-13cosx + 3cos2x = 0 + -8

Combine like terms: 0 + -8 = -8
-13cosx + 3cos2x = -8

Reorder the terms:
8 + -13cosx + 3cos2x = -8 + 8

Combine like terms: -8 + 8 = 0
8 + -13cosx + 3cos2x = 0

The solution to this equation could not be determined.

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