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Simplifying 0 = 2x3 + 15x2 + 30x + 20 Reorder the terms: 0 = 20 + 30x + 15x2 + 2x3 Solving 0 = 20 + 30x + 15x2 + 2x3 Solving for variable 'x'. Combine like terms: 0 + -20 = -20 -20 + -30x + -15x2 + -2x3 = 20 + 30x + 15x2 + 2x3 + -20 + -30x + -15x2 + -2x3 Reorder the terms: -20 + -30x + -15x2 + -2x3 = 20 + -20 + 30x + -30x + 15x2 + -15x2 + 2x3 + -2x3 Combine like terms: 20 + -20 = 0 -20 + -30x + -15x2 + -2x3 = 0 + 30x + -30x + 15x2 + -15x2 + 2x3 + -2x3 -20 + -30x + -15x2 + -2x3 = 30x + -30x + 15x2 + -15x2 + 2x3 + -2x3 Combine like terms: 30x + -30x = 0 -20 + -30x + -15x2 + -2x3 = 0 + 15x2 + -15x2 + 2x3 + -2x3 -20 + -30x + -15x2 + -2x3 = 15x2 + -15x2 + 2x3 + -2x3 Combine like terms: 15x2 + -15x2 = 0 -20 + -30x + -15x2 + -2x3 = 0 + 2x3 + -2x3 -20 + -30x + -15x2 + -2x3 = 2x3 + -2x3 Combine like terms: 2x3 + -2x3 = 0 -20 + -30x + -15x2 + -2x3 = 0 Factor out the Greatest Common Factor (GCF), '-1'. -1(20 + 30x + 15x2 + 2x3) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(20 + 30x + 15x2 + 2x3)' equal to zero and attempt to solve: Simplifying 20 + 30x + 15x2 + 2x3 = 0 Solving 20 + 30x + 15x2 + 2x3 = 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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