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Simplifying 0 = x3 + 2x2 + 9x + 18 Reorder the terms: 0 = 18 + 9x + 2x2 + x3 Solving 0 = 18 + 9x + 2x2 + x3 Solving for variable 'x'. Combine like terms: 0 + -18 = -18 -18 + -9x + -2x2 + -1x3 = 18 + 9x + 2x2 + x3 + -18 + -9x + -2x2 + -1x3 Reorder the terms: -18 + -9x + -2x2 + -1x3 = 18 + -18 + 9x + -9x + 2x2 + -2x2 + x3 + -1x3 Combine like terms: 18 + -18 = 0 -18 + -9x + -2x2 + -1x3 = 0 + 9x + -9x + 2x2 + -2x2 + x3 + -1x3 -18 + -9x + -2x2 + -1x3 = 9x + -9x + 2x2 + -2x2 + x3 + -1x3 Combine like terms: 9x + -9x = 0 -18 + -9x + -2x2 + -1x3 = 0 + 2x2 + -2x2 + x3 + -1x3 -18 + -9x + -2x2 + -1x3 = 2x2 + -2x2 + x3 + -1x3 Combine like terms: 2x2 + -2x2 = 0 -18 + -9x + -2x2 + -1x3 = 0 + x3 + -1x3 -18 + -9x + -2x2 + -1x3 = x3 + -1x3 Combine like terms: x3 + -1x3 = 0 -18 + -9x + -2x2 + -1x3 = 0 Factor out the Greatest Common Factor (GCF), '-1'. -1(18 + 9x + 2x2 + x3) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(18 + 9x + 2x2 + x3)' equal to zero and attempt to solve: Simplifying 18 + 9x + 2x2 + x3 = 0 Solving 18 + 9x + 2x2 + x3 = 0 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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