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Simplifying cos(2x) + 9cox(x) + 5 = 0 Remove parenthesis around (2x) cos * 2x + 9cox(x) + 5 = 0 Reorder the terms for easier multiplication: 2cos * x + 9cox(x) + 5 = 0 Multiply cos * x 2cosx + 9cox(x) + 5 = 0 Multiply cox * x 2cosx + 9cox2 + 5 = 0 Reorder the terms: 5 + 2cosx + 9cox2 = 0 Solving 5 + 2cosx + 9cox2 = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + 2cosx + -5 + 9cox2 = 0 + -5 Reorder the terms: 5 + -5 + 2cosx + 9cox2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2cosx + 9cox2 = 0 + -5 2cosx + 9cox2 = 0 + -5 Combine like terms: 0 + -5 = -5 2cosx + 9cox2 = -5 Reorder the terms: 5 + 2cosx + 9cox2 = -5 + 5 Combine like terms: -5 + 5 = 0 5 + 2cosx + 9cox2 = 0 The solution to this equation could not be determined.
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