(D^3+3D^2+4D^2)z=x+siny

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Solution for (D^3+3D^2+4D^2)z=x+siny equation: 


Simplifying
(D3 + 3D2 + 4D2) * z = x + siny

Reorder the terms:
(3D2 + 4D2 + D3) * z = x + siny

Combine like terms: 3D2 + 4D2 = 7D2
(7D2 + D3) * z = x + siny

Reorder the terms for easier multiplication:
z(7D2 + D3) = x + siny
(7D2 * z + D3 * z) = x + siny
(7zD2 + zD3) = x + siny

Reorder the terms:
7zD2 + zD3 = insy + x

Solving
7zD2 + zD3 = insy + x

Solving for variable 'z'.

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

Reorder the terms:
-1insy + -1x + 7zD2 + zD3 = insy + x + -1insy + -1x

Reorder the terms:
-1insy + -1x + 7zD2 + zD3 = insy + -1insy + x + -1x

Combine like terms: insy + -1insy = 0
-1insy + -1x + 7zD2 + zD3 = 0 + x + -1x
-1insy + -1x + 7zD2 + zD3 = x + -1x

Combine like terms: x + -1x = 0
-1insy + -1x + 7zD2 + zD3 = 0

The solution to this equation could not be determined.

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