10cos^2x-11cosx-6=0

Solution for 10cos^2x-11cosx-6=0 equation:

Simplifying
10cos2x + -11cosx + -6 = 0

Reorder the terms:
-6 + -11cosx + 10cos2x = 0

Solving
-6 + -11cosx + 10cos2x = 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 + 10cos2x = 0 + 6

Reorder the terms:
-6 + 6 + -11cosx + 10cos2x = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -11cosx + 10cos2x = 0 + 6
-11cosx + 10cos2x = 0 + 6

Combine like terms: 0 + 6 = 6
-11cosx + 10cos2x = 6

Reorder the terms:
-6 + -11cosx + 10cos2x = 6 + -6

Combine like terms: 6 + -6 = 0
-6 + -11cosx + 10cos2x = 0

The solution to this equation could not be determined.