cos(8x^3+8x^2-8)=0

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Solution for cos(8x^3+8x^2-8)=0 equation:


Simplifying
cos(8x3 + 8x2 + -8) = 0

Reorder the terms:
cos(-8 + 8x2 + 8x3) = 0
(-8 * cos + 8x2 * cos + 8x3 * cos) = 0
(-8cos + 8cosx2 + 8cosx3) = 0

Solving
-8cos + 8cosx2 + 8cosx3 = 0

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Factor out the Greatest Common Factor (GCF), '8cos'.
8cos(-1 + x2 + x3) = 0

Ignore the factor 8.

Subproblem 1

Set the factor 'cos' equal to zero and attempt to solve: Simplifying cos = 0 Solving cos = 0 Move all terms containing c to the left, all other terms to the right. Simplifying cos = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(-1 + x2 + x3)' equal to zero and attempt to solve: Simplifying -1 + x2 + x3 = 0 Solving -1 + x2 + x3 = 0 Move all terms containing c to the left, all other terms to the right. Add '1' to each side of the equation. -1 + x2 + 1 + x3 = 0 + 1 Reorder the terms: -1 + 1 + x2 + x3 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + x2 + x3 = 0 + 1 x2 + x3 = 0 + 1 Combine like terms: 0 + 1 = 1 x2 + x3 = 1 Add '-1x2' to each side of the equation. x2 + -1x2 + x3 = 1 + -1x2 Combine like terms: x2 + -1x2 = 0 0 + x3 = 1 + -1x2 x3 = 1 + -1x2 Add '-1x3' to each side of the equation. x3 + -1x3 = 1 + -1x2 + -1x3 Combine like terms: x3 + -1x3 = 0 0 = 1 + -1x2 + -1x3 Simplifying 0 = 1 + -1x2 + -1x3 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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