Cos^2(x)+-8cos(x)+15=0

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Solution for Cos^2(x)+-8cos(x)+15=0 equation: 


Simplifying
Cos2(x) + -8cos(x) + 15 = 0

Multiply os2C * x
os2xC + -8cos(x) + 15 = 0

Multiply cos * x
os2xC + -8cosx + 15 = 0

Reorder the terms:
15 + -8cosx + os2xC = 0

Solving
15 + -8cosx + os2xC = 0

Solving for variable 'c'.

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

Add '-15' to each side of the equation.
15 + -8cosx + -15 + os2xC = 0 + -15

Reorder the terms:
15 + -15 + -8cosx + os2xC = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -8cosx + os2xC = 0 + -15
-8cosx + os2xC = 0 + -15

Combine like terms: 0 + -15 = -15
-8cosx + os2xC = -15

Add '-1os2xC' to each side of the equation.
-8cosx + os2xC + -1os2xC = -15 + -1os2xC

Combine like terms: os2xC + -1os2xC = 0
-8cosx + 0 = -15 + -1os2xC
-8cosx = -15 + -1os2xC

Divide each side by '-8osx'.
c = 1.875o-1s-1x-1 + 0.125sC

Simplifying
c = 1.875o-1s-1x-1 + 0.125sC

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