Cos^2x+5cosx-14=0

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Solution for Cos^2x+5cosx-14=0 equation:


Simplifying
Cos2x + 5cosx + -14 = 0

Reorder the terms:
-14 + 5cosx + os2xC = 0

Solving
-14 + 5cosx + os2xC = 0

Solving for variable 'c'.

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

Add '14' to each side of the equation.
-14 + 5cosx + 14 + os2xC = 0 + 14

Reorder the terms:
-14 + 14 + 5cosx + os2xC = 0 + 14

Combine like terms: -14 + 14 = 0
0 + 5cosx + os2xC = 0 + 14
5cosx + os2xC = 0 + 14

Combine like terms: 0 + 14 = 14
5cosx + os2xC = 14

Add '-1os2xC' to each side of the equation.
5cosx + os2xC + -1os2xC = 14 + -1os2xC

Combine like terms: os2xC + -1os2xC = 0
5cosx + 0 = 14 + -1os2xC
5cosx = 14 + -1os2xC

Divide each side by '5osx'.
c = 2.8o-1s-1x-1 + -0.2sC

Simplifying
c = 2.8o-1s-1x-1 + -0.2sC

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