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Simplifying X(cosx) = 3cosx Multiply X * cosx cosxX = 3cosx Solving cosxX = 3cosx Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-3cosx' to each side of the equation. -3cosx + cosxX = 3cosx + -3cosx Combine like terms: 3cosx + -3cosx = 0 -3cosx + cosxX = 0 Factor out the Greatest Common Factor (GCF), 'cosx'. cosx(-3 + X) = 0## Subproblem 1

Set the factor 'cosx' equal to zero and attempt to solve: Simplifying cosx = 0 Solving cosx = 0 Move all terms containing c to the left, all other terms to the right. Simplifying cosx = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.## Subproblem 2

Set the factor '(-3 + X)' equal to zero and attempt to solve: Simplifying -3 + X = 0 Solving -3 + X = 0 Move all terms containing c to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + X = 0 + 3 Combine like terms: -3 + 3 = 0 0 + X = 0 + 3 X = 0 + 3 Combine like terms: 0 + 3 = 3 X = 3 Add '-1X' to each side of the equation. X + -1X = 3 + -1X Combine like terms: X + -1X = 0 0 = 3 + -1X Simplifying 0 = 3 + -1X The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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