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Simplifying 7x3 + 28x2 + 7x + 28 = 0 Reorder the terms: 28 + 7x + 28x2 + 7x3 = 0 Solving 28 + 7x + 28x2 + 7x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '7'. 7(4 + x + 4x2 + x3) = 0 Ignore the factor 7.Subproblem 1
Set the factor '(4 + x + 4x2 + x3)' equal to zero and attempt to solve: Simplifying 4 + x + 4x2 + x3 = 0 Solving 4 + x + 4x2 + 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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