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Simplifying 7x7 + 7x6 + -21x5 + 28x4 = 0 Reorder the terms: 28x4 + -21x5 + 7x6 + 7x7 = 0 Solving 28x4 + -21x5 + 7x6 + 7x7 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '7x4'. 7x4(4 + -3x + x2 + x3) = 0 Ignore the factor 7.Subproblem 1
Set the factor 'x4' equal to zero and attempt to solve: Simplifying x4 = 0 Solving x4 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x4 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Subproblem 2
Set the factor '(4 + -3x + x2 + x3)' equal to zero and attempt to solve: Simplifying 4 + -3x + x2 + x3 = 0 Solving 4 + -3x + x2 + 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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