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Simplifying 7x3 + 21x2 + -7x + -21 = 0 Reorder the terms: -21 + -7x + 21x2 + 7x3 = 0 Solving -21 + -7x + 21x2 + 7x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '7'. 7(-3 + -1x + 3x2 + x3) = 0 Ignore the factor 7.Subproblem 1
Set the factor '(-3 + -1x + 3x2 + x3)' equal to zero and attempt to solve: Simplifying -3 + -1x + 3x2 + x3 = 0 Solving -3 + -1x + 3x2 + 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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