cos^2x+Cosx-12=0

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Solution for cos^2x+Cosx-12=0 equation: 


Simplifying
cos2x + Cosx + -12 = 0

Reorder the terms:
-12 + cos2x + osxC = 0

Solving
-12 + cos2x + osxC = 0

Solving for variable 'c'.

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

Add '12' to each side of the equation.
-12 + cos2x + 12 + osxC = 0 + 12

Reorder the terms:
-12 + 12 + cos2x + osxC = 0 + 12

Combine like terms: -12 + 12 = 0
0 + cos2x + osxC = 0 + 12
cos2x + osxC = 0 + 12

Combine like terms: 0 + 12 = 12
cos2x + osxC = 12

Add '-1osxC' to each side of the equation.
cos2x + osxC + -1osxC = 12 + -1osxC

Combine like terms: osxC + -1osxC = 0
cos2x + 0 = 12 + -1osxC
cos2x = 12 + -1osxC

Divide each side by 'os2x'.
c = 12o-1s-2x-1 + -1s-1C

Simplifying
c = 12o-1s-2x-1 + -1s-1C

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