(Cosx+2)(cosx-1)=0

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Solution for (Cosx+2)(cosx-1)=0 equation: 


Simplifying
(Cosx + 2)(cosx + -1) = 0

Reorder the terms:
(2 + osxC)(cosx + -1) = 0

Reorder the terms:
(2 + osxC)(-1 + cosx) = 0

Multiply (2 + osxC) * (-1 + cosx)
(2(-1 + cosx) + osxC(-1 + cosx)) = 0
((-1 * 2 + cosx * 2) + osxC(-1 + cosx)) = 0
((-2 + 2cosx) + osxC(-1 + cosx)) = 0
(-2 + 2cosx + (-1 * osxC + cosx * osxC)) = 0

Reorder the terms:
(-2 + 2cosx + (co2s2x2C + -1osxC)) = 0
(-2 + 2cosx + (co2s2x2C + -1osxC)) = 0
(-2 + 2cosx + co2s2x2C + -1osxC) = 0

Solving
-2 + 2cosx + co2s2x2C + -1osxC = 0

Solving for variable 'c'.

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

Add '2' to each side of the equation.
-2 + 2cosx + co2s2x2C + 2 + -1osxC = 0 + 2

Reorder the terms:
-2 + 2 + 2cosx + co2s2x2C + -1osxC = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 2cosx + co2s2x2C + -1osxC = 0 + 2
2cosx + co2s2x2C + -1osxC = 0 + 2

Combine like terms: 0 + 2 = 2
2cosx + co2s2x2C + -1osxC = 2

Add 'osxC' to each side of the equation.
2cosx + co2s2x2C + -1osxC + osxC = 2 + osxC

Combine like terms: -1osxC + osxC = 0
2cosx + co2s2x2C + 0 = 2 + osxC
2cosx + co2s2x2C = 2 + osxC

Reorder the terms:
-2 + 2cosx + co2s2x2C + -1osxC = 2 + osxC + -2 + -1osxC

Reorder the terms:
-2 + 2cosx + co2s2x2C + -1osxC = 2 + -2 + osxC + -1osxC

Combine like terms: 2 + -2 = 0
-2 + 2cosx + co2s2x2C + -1osxC = 0 + osxC + -1osxC
-2 + 2cosx + co2s2x2C + -1osxC = osxC + -1osxC

Combine like terms: osxC + -1osxC = 0
-2 + 2cosx + co2s2x2C + -1osxC = 0

The solution to this equation could not be determined.

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