x^2-cos(x)-2=0

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Solution for x^2-cos(x)-2=0 equation:


Simplifying
x2 + -1cos(x) + -2 = 0

Multiply cos * x
x2 + -1cosx + -2 = 0

Reorder the terms:
-2 + -1cosx + x2 = 0

Solving
-2 + -1cosx + x2 = 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 + -1cosx + 2 + x2 = 0 + 2

Reorder the terms:
-2 + 2 + -1cosx + x2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1cosx + x2 = 0 + 2
-1cosx + x2 = 0 + 2

Combine like terms: 0 + 2 = 2
-1cosx + x2 = 2

Add '-1x2' to each side of the equation.
-1cosx + x2 + -1x2 = 2 + -1x2

Combine like terms: x2 + -1x2 = 0
-1cosx + 0 = 2 + -1x2
-1cosx = 2 + -1x2

Divide each side by '-1osx'.
c = -2o-1s-1x-1 + o-1s-1x

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

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