3cos^2x+11cosx+6=0

Solution for 3cos^2x+11cosx+6=0 equation:

Simplifying
3cos2x + 11cosx + 6 = 0

Reorder the terms:
6 + 11cosx + 3cos2x = 0

Solving
6 + 11cosx + 3cos2x = 0

Solving for variable 'c'.

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

Add '-6' to each side of the equation.
6 + 11cosx + -6 + 3cos2x = 0 + -6

Reorder the terms:
6 + -6 + 11cosx + 3cos2x = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 11cosx + 3cos2x = 0 + -6
11cosx + 3cos2x = 0 + -6

Combine like terms: 0 + -6 = -6
11cosx + 3cos2x = -6

Reorder the terms:
6 + 11cosx + 3cos2x = -6 + 6

Combine like terms: -6 + 6 = 0
6 + 11cosx + 3cos2x = 0

The solution to this equation could not be determined.