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Simplifying 3cos2x + -8cosx = 3 Reorder the terms: -8cosx + 3cos2x = 3 Solving -8cosx + 3cos2x = 3 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Reorder the terms: -3 + -8cosx + 3cos2x = 3 + -3 Combine like terms: 3 + -3 = 0 -3 + -8cosx + 3cos2x = 0 The solution to this equation could not be determined.
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