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Simplifying 4x3 + -40x2 + 84 = 0 Reorder the terms: 84 + -40x2 + 4x3 = 0 Solving 84 + -40x2 + 4x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '4'. 4(21 + -10x2 + x3) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(21 + -10x2 + x3)' equal to zero and attempt to solve: Simplifying 21 + -10x2 + x3 = 0 Solving 21 + -10x2 + 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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