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Simplifying 0 = 4x3 + 2x2 + -30x + 20 Reorder the terms: 0 = 20 + -30x + 2x2 + 4x3 Solving 0 = 20 + -30x + 2x2 + 4x3 Solving for variable 'x'. Combine like terms: 0 + -20 = -20 -20 + 30x + -2x2 + -4x3 = 20 + -30x + 2x2 + 4x3 + -20 + 30x + -2x2 + -4x3 Reorder the terms: -20 + 30x + -2x2 + -4x3 = 20 + -20 + -30x + 30x + 2x2 + -2x2 + 4x3 + -4x3 Combine like terms: 20 + -20 = 0 -20 + 30x + -2x2 + -4x3 = 0 + -30x + 30x + 2x2 + -2x2 + 4x3 + -4x3 -20 + 30x + -2x2 + -4x3 = -30x + 30x + 2x2 + -2x2 + 4x3 + -4x3 Combine like terms: -30x + 30x = 0 -20 + 30x + -2x2 + -4x3 = 0 + 2x2 + -2x2 + 4x3 + -4x3 -20 + 30x + -2x2 + -4x3 = 2x2 + -2x2 + 4x3 + -4x3 Combine like terms: 2x2 + -2x2 = 0 -20 + 30x + -2x2 + -4x3 = 0 + 4x3 + -4x3 -20 + 30x + -2x2 + -4x3 = 4x3 + -4x3 Combine like terms: 4x3 + -4x3 = 0 -20 + 30x + -2x2 + -4x3 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-10 + 15x + -1x2 + -2x3) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-10 + 15x + -1x2 + -2x3)' equal to zero and attempt to solve: Simplifying -10 + 15x + -1x2 + -2x3 = 0 Solving -10 + 15x + -1x2 + -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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