Cos^2x+5cosx+3=0

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Solution for Cos^2x+5cosx+3=0 equation:


Simplifying
Cos2x + 5cosx + 3 = 0

Reorder the terms:
3 + 5cosx + os2xC = 0

Solving
3 + 5cosx + os2xC = 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 + 5cosx + -3 + os2xC = 0 + -3

Reorder the terms:
3 + -3 + 5cosx + os2xC = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 5cosx + os2xC = 0 + -3
5cosx + os2xC = 0 + -3

Combine like terms: 0 + -3 = -3
5cosx + os2xC = -3

Add '-1os2xC' to each side of the equation.
5cosx + os2xC + -1os2xC = -3 + -1os2xC

Combine like terms: os2xC + -1os2xC = 0
5cosx + 0 = -3 + -1os2xC
5cosx = -3 + -1os2xC

Divide each side by '5osx'.
c = -0.6o-1s-1x-1 + -0.2sC

Simplifying
c = -0.6o-1s-1x-1 + -0.2sC

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