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Simplifying (D3 + -3D2 + 9D + 13) * y = O Reorder the terms: (13 + 9D + -3D2 + D3) * y = O Reorder the terms for easier multiplication: y(13 + 9D + -3D2 + D3) = O (13 * y + 9D * y + -3D2 * y + D3 * y) = O (13y + 9yD + -3yD2 + yD3) = O Solving 13y + 9yD + -3yD2 + yD3 = O Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Reorder the terms: -1O + 13y + 9yD + -3yD2 + yD3 = O + -1O Combine like terms: O + -1O = 0 -1O + 13y + 9yD + -3yD2 + yD3 = 0 The solution to this equation could not be determined.
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