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Simplifying 6cos2x * cosx + -7 = 0 Multiply cos2x * cosx 6c2o2s3x2 + -7 = 0 Reorder the terms: -7 + 6c2o2s3x2 = 0 Solving -7 + 6c2o2s3x2 = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 6c2o2s3x2 = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 6c2o2s3x2 = 0 + 7 6c2o2s3x2 = 0 + 7 Combine like terms: 0 + 7 = 7 6c2o2s3x2 = 7 Divide each side by '6o2s3x2'. c2 = 1.166666667o-2s-3x-2 Simplifying c2 = 1.166666667o-2s-3x-2 Combine like terms: 1.166666667o-2s-3x-2 + -1.166666667o-2s-3x-2 = 0.000000000 c2 + -1.166666667o-2s-3x-2 = 0.000000000 The solution to this equation could not be determined.
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