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Simplifying (x)(12x + -15)(12x + -21) = 945 Reorder the terms: x(-15 + 12x)(12x + -21) = 945 Reorder the terms: x(-15 + 12x)(-21 + 12x) = 945 Multiply (-15 + 12x) * (-21 + 12x) x(-15(-21 + 12x) + 12x * (-21 + 12x)) = 945 x((-21 * -15 + 12x * -15) + 12x * (-21 + 12x)) = 945 x((315 + -180x) + 12x * (-21 + 12x)) = 945 x(315 + -180x + (-21 * 12x + 12x * 12x)) = 945 x(315 + -180x + (-252x + 144x2)) = 945 Combine like terms: -180x + -252x = -432x x(315 + -432x + 144x2) = 945 (315 * x + -432x * x + 144x2 * x) = 945 (315x + -432x2 + 144x3) = 945 Solving 315x + -432x2 + 144x3 = 945 Solving for variable 'x'. Reorder the terms: -945 + 315x + -432x2 + 144x3 = 945 + -945 Combine like terms: 945 + -945 = 0 -945 + 315x + -432x2 + 144x3 = 0 Factor out the Greatest Common Factor (GCF), '9'. 9(-105 + 35x + -48x2 + 16x3) = 0 Ignore the factor 9.Subproblem 1
Set the factor '(-105 + 35x + -48x2 + 16x3)' equal to zero and attempt to solve: Simplifying -105 + 35x + -48x2 + 16x3 = 0 Solving -105 + 35x + -48x2 + 16x3 = 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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