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Simplifying 7x(3x2 + 7x) = -7 Reorder the terms: 7x(7x + 3x2) = -7 (7x * 7x + 3x2 * 7x) = -7 (49x2 + 21x3) = -7 Solving 49x2 + 21x3 = -7 Solving for variable 'x'. Reorder the terms: 7 + 49x2 + 21x3 = -7 + 7 Combine like terms: -7 + 7 = 0 7 + 49x2 + 21x3 = 0 Factor out the Greatest Common Factor (GCF), '7'. 7(1 + 7x2 + 3x3) = 0 Ignore the factor 7.Subproblem 1
Set the factor '(1 + 7x2 + 3x3)' equal to zero and attempt to solve: Simplifying 1 + 7x2 + 3x3 = 0 Solving 1 + 7x2 + 3x3 = 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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