-8sin^2x-18sinx-7=0

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Solution for -8sin^2x-18sinx-7=0 equation:


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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