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Simplifying (3x + -21)(x2 + 4x + 3) = 0 Reorder the terms: (-21 + 3x)(x2 + 4x + 3) = 0 Reorder the terms: (-21 + 3x)(3 + 4x + x2) = 0 Multiply (-21 + 3x) * (3 + 4x + x2) (-21(3 + 4x + x2) + 3x * (3 + 4x + x2)) = 0 ((3 * -21 + 4x * -21 + x2 * -21) + 3x * (3 + 4x + x2)) = 0 ((-63 + -84x + -21x2) + 3x * (3 + 4x + x2)) = 0 (-63 + -84x + -21x2 + (3 * 3x + 4x * 3x + x2 * 3x)) = 0 (-63 + -84x + -21x2 + (9x + 12x2 + 3x3)) = 0 Reorder the terms: (-63 + -84x + 9x + -21x2 + 12x2 + 3x3) = 0 Combine like terms: -84x + 9x = -75x (-63 + -75x + -21x2 + 12x2 + 3x3) = 0 Combine like terms: -21x2 + 12x2 = -9x2 (-63 + -75x + -9x2 + 3x3) = 0 Solving -63 + -75x + -9x2 + 3x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '3'. 3(-21 + -25x + -3x2 + x3) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(-21 + -25x + -3x2 + x3)' equal to zero and attempt to solve: Simplifying -21 + -25x + -3x2 + x3 = 0 Solving -21 + -25x + -3x2 + 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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