(D^2-D-2)y=cosx

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Solution for (D^2-D-2)y=cosx equation: 


Simplifying
(D2 + -1D + -2) * y = cosx

Reorder the terms:
(-2 + -1D + D2) * y = cosx

Reorder the terms for easier multiplication:
y(-2 + -1D + D2) = cosx
(-2 * y + -1D * y + D2 * y) = cosx
(-2y + -1yD + yD2) = cosx

Solving
-2y + -1yD + yD2 = cosx

Solving for variable 'y'.

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

Reorder the terms:
-1cosx + -2y + -1yD + yD2 = cosx + -1cosx

Combine like terms: cosx + -1cosx = 0
-1cosx + -2y + -1yD + yD2 = 0

The solution to this equation could not be determined.

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