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Simplifying 0 = x3 + 7x2 + 13x + 7 Reorder the terms: 0 = 7 + 13x + 7x2 + x3 Solving 0 = 7 + 13x + 7x2 + x3 Solving for variable 'x'. Combine like terms: 0 + -7 = -7 -7 + -13x + -7x2 + -1x3 = 7 + 13x + 7x2 + x3 + -7 + -13x + -7x2 + -1x3 Reorder the terms: -7 + -13x + -7x2 + -1x3 = 7 + -7 + 13x + -13x + 7x2 + -7x2 + x3 + -1x3 Combine like terms: 7 + -7 = 0 -7 + -13x + -7x2 + -1x3 = 0 + 13x + -13x + 7x2 + -7x2 + x3 + -1x3 -7 + -13x + -7x2 + -1x3 = 13x + -13x + 7x2 + -7x2 + x3 + -1x3 Combine like terms: 13x + -13x = 0 -7 + -13x + -7x2 + -1x3 = 0 + 7x2 + -7x2 + x3 + -1x3 -7 + -13x + -7x2 + -1x3 = 7x2 + -7x2 + x3 + -1x3 Combine like terms: 7x2 + -7x2 = 0 -7 + -13x + -7x2 + -1x3 = 0 + x3 + -1x3 -7 + -13x + -7x2 + -1x3 = x3 + -1x3 Combine like terms: x3 + -1x3 = 0 -7 + -13x + -7x2 + -1x3 = 0 Factor out the Greatest Common Factor (GCF), '-1'. -1(7 + 13x + 7x2 + x3) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(7 + 13x + 7x2 + x3)' equal to zero and attempt to solve: Simplifying 7 + 13x + 7x2 + x3 = 0 Solving 7 + 13x + 7x2 + 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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