cos^2+5cos-6=0

Solution for cos^2+5cos-6=0 equation:

Simplifying
cos2 + 5cos + -6 = 0

Reorder the terms:
-6 + 5cos + cos2 = 0

Solving
-6 + 5cos + cos2 = 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 + 5cos + 6 + cos2 = 0 + 6

Reorder the terms:
-6 + 6 + 5cos + cos2 = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 5cos + cos2 = 0 + 6
5cos + cos2 = 0 + 6

Combine like terms: 0 + 6 = 6
5cos + cos2 = 6

Reorder the terms:
-6 + 5cos + cos2 = 6 + -6

Combine like terms: 6 + -6 = 0
-6 + 5cos + cos2 = 0

The solution to this equation could not be determined.