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Simplifying sen(6x) + sen(2x) = 2sen(4x) Remove parenthesis around (6x) ens * 6x + sen(2x) = 2sen(4x) Reorder the terms for easier multiplication: 6ens * x + sen(2x) = 2sen(4x) Multiply ens * x 6ensx + sen(2x) = 2sen(4x) Remove parenthesis around (2x) 6ensx + ens * 2x = 2sen(4x) Reorder the terms for easier multiplication: 6ensx + 2ens * x = 2sen(4x) Multiply ens * x 6ensx + 2ensx = 2sen(4x) Combine like terms: 6ensx + 2ensx = 8ensx 8ensx = 2sen(4x) Remove parenthesis around (4x) 8ensx = 2ens * 4x Reorder the terms for easier multiplication: 8ensx = 2 * 4ens * x Multiply 2 * 4 8ensx = 8ens * x Multiply ens * x 8ensx = 8ensx Add '-8ensx' to each side of the equation. 8ensx + -8ensx = 8ensx + -8ensx Combine like terms: 8ensx + -8ensx = 0 0 = 8ensx + -8ensx Combine like terms: 8ensx + -8ensx = 0 0 = 0 Solving 0 = 0 Couldn't find a variable to solve for. This equation is an identity, all real numbers are solutions.
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