15cos^2+(4cos)-3=0

Solution for 15cos^2+(4cos)-3=0 equation:

Simplifying
15cos2 + (4cos) + -3 = 0

Reorder the terms:
-3 + (4cos) + 15cos2 = 0

Solving
-3 + (4cos) + 15cos2 = 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 + (4cos) + 3 + 15cos2 = 0 + 3

Reorder the terms:
-3 + 3 + (4cos) + 15cos2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + (4cos) + 15cos2 = 0 + 3
(4cos) + 15cos2 = 0 + 3

Combine like terms: 0 + 3 = 3
(4cos) + 15cos2 = 3

Reorder the terms:
-3 + (4cos) + 15cos2 = 3 + -3

Combine like terms: 3 + -3 = 0
-3 + (4cos) + 15cos2 = 0

The solution to this equation could not be determined.