12cos^2x+5cosx-3=0

Solution for 12cos^2x+5cosx-3=0 equation:

Simplifying
12cos2x + 5cosx + -3 = 0

Reorder the terms:
-3 + 5cosx + 12cos2x = 0

Solving
-3 + 5cosx + 12cos2x = 0

Solving for variable 'c'.

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

Add '3' to each side of the equation.
-3 + 5cosx + 3 + 12cos2x = 0 + 3

Reorder the terms:
-3 + 3 + 5cosx + 12cos2x = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 5cosx + 12cos2x = 0 + 3
5cosx + 12cos2x = 0 + 3

Combine like terms: 0 + 3 = 3
5cosx + 12cos2x = 3

Reorder the terms:
-3 + 5cosx + 12cos2x = 3 + -3

Combine like terms: 3 + -3 = 0
-3 + 5cosx + 12cos2x = 0

The solution to this equation could not be determined.