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Simplifying (x + 3)(3x2 + 12x + 9) = 0 Reorder the terms: (3 + x)(3x2 + 12x + 9) = 0 Reorder the terms: (3 + x)(9 + 12x + 3x2) = 0 Multiply (3 + x) * (9 + 12x + 3x2) (3(9 + 12x + 3x2) + x(9 + 12x + 3x2)) = 0 ((9 * 3 + 12x * 3 + 3x2 * 3) + x(9 + 12x + 3x2)) = 0 ((27 + 36x + 9x2) + x(9 + 12x + 3x2)) = 0 (27 + 36x + 9x2 + (9 * x + 12x * x + 3x2 * x)) = 0 (27 + 36x + 9x2 + (9x + 12x2 + 3x3)) = 0 Reorder the terms: (27 + 36x + 9x + 9x2 + 12x2 + 3x3) = 0 Combine like terms: 36x + 9x = 45x (27 + 45x + 9x2 + 12x2 + 3x3) = 0 Combine like terms: 9x2 + 12x2 = 21x2 (27 + 45x + 21x2 + 3x3) = 0 Solving 27 + 45x + 21x2 + 3x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '3'. 3(9 + 15x + 7x2 + x3) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(9 + 15x + 7x2 + x3)' equal to zero and attempt to solve: Simplifying 9 + 15x + 7x2 + x3 = 0 Solving 9 + 15x + 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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