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Simplifying x3 = 5cos2x Solving x3 = 5cos2x Solving for variable 'x'. Reorder the terms: -5cos2x + x3 = 5cos2x + -5cos2x Combine like terms: 5cos2x + -5cos2x = 0 -5cos2x + x3 = 0 Factor out the Greatest Common Factor (GCF), 'x'. x(-5cos2 + x2) = 0Subproblem 1
Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0Subproblem 2
Set the factor '(-5cos2 + x2)' equal to zero and attempt to solve: Simplifying -5cos2 + x2 = 0 Solving -5cos2 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '5cos2' to each side of the equation. -5cos2 + 5cos2 + x2 = 0 + 5cos2 Combine like terms: -5cos2 + 5cos2 = 0 0 + x2 = 0 + 5cos2 x2 = 0 + 5cos2 Remove the zero: x2 = 5cos2 Simplifying x2 = 5cos2 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Solution
x = {0}
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