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Simplifying -8sin2x + -18sinx + -7 = 0 Reorder the terms: -7 + -18insx + -8in2sx = 0 Solving -7 + -18insx + -8in2sx = 0 Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '7' to each side of the equation. -7 + -18insx + 7 + -8in2sx = 0 + 7 Reorder the terms: -7 + 7 + -18insx + -8in2sx = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -18insx + -8in2sx = 0 + 7 -18insx + -8in2sx = 0 + 7 Combine like terms: 0 + 7 = 7 -18insx + -8in2sx = 7 Reorder the terms: -7 + -18insx + -8in2sx = 7 + -7 Combine like terms: 7 + -7 = 0 -7 + -18insx + -8in2sx = 0 Factor out the Greatest Common Factor (GCF), '-1'. -1(7 + 18insx + 8in2sx) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(7 + 18insx + 8in2sx)' equal to zero and attempt to solve: Simplifying 7 + 18insx + 8in2sx = 0 Solving 7 + 18insx + 8in2sx = 0 Move all terms containing i to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + 18insx + -7 + 8in2sx = 0 + -7 Reorder the terms: 7 + -7 + 18insx + 8in2sx = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 18insx + 8in2sx = 0 + -7 18insx + 8in2sx = 0 + -7 Combine like terms: 0 + -7 = -7 18insx + 8in2sx = -7 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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