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Simplifying sin2(3x) + -2sin(3x) + 1 = 0 Remove parenthesis around (3x) in2s * 3x + -2sin(3x) + 1 = 0 Reorder the terms for easier multiplication: 3in2s * x + -2sin(3x) + 1 = 0 Multiply in2s * x 3in2sx + -2sin(3x) + 1 = 0 Remove parenthesis around (3x) 3in2sx + -2ins * 3x + 1 = 0 Reorder the terms for easier multiplication: 3in2sx + -2 * 3ins * x + 1 = 0 Multiply -2 * 3 3in2sx + -6ins * x + 1 = 0 Multiply ins * x 3in2sx + -6insx + 1 = 0 Reorder the terms: 1 + -6insx + 3in2sx = 0 Solving 1 + -6insx + 3in2sx = 0 Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -6insx + -1 + 3in2sx = 0 + -1 Reorder the terms: 1 + -1 + -6insx + 3in2sx = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -6insx + 3in2sx = 0 + -1 -6insx + 3in2sx = 0 + -1 Combine like terms: 0 + -1 = -1 -6insx + 3in2sx = -1 Reorder the terms: 1 + -6insx + 3in2sx = -1 + 1 Combine like terms: -1 + 1 = 0 1 + -6insx + 3in2sx = 0 The solution to this equation could not be determined.
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