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Simplifying 81x7 + 72x5 + 16x3 = 0 Reorder the terms: 16x3 + 72x5 + 81x7 = 0 Solving 16x3 + 72x5 + 81x7 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), 'x3'. x3(16 + 72x2 + 81x4) = 0 Factor a trinomial. x3((4 + 9x2)(4 + 9x2)) = 0Subproblem 1
Set the factor 'x3' equal to zero and attempt to solve: Simplifying x3 = 0 Solving x3 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x3 = 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 '(4 + 9x2)' equal to zero and attempt to solve: Simplifying 4 + 9x2 = 0 Solving 4 + 9x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 9x2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 9x2 = 0 + -4 9x2 = 0 + -4 Combine like terms: 0 + -4 = -4 9x2 = -4 Divide each side by '9'. x2 = -0.4444444444 Simplifying x2 = -0.4444444444 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Subproblem 3
Set the factor '(4 + 9x2)' equal to zero and attempt to solve: Simplifying 4 + 9x2 = 0 Solving 4 + 9x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 9x2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 9x2 = 0 + -4 9x2 = 0 + -4 Combine like terms: 0 + -4 = -4 9x2 = -4 Divide each side by '9'. x2 = -0.4444444444 Simplifying x2 = -0.4444444444 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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