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Simplifying (7r3 + -6r + -6)(2r + -4) = 0 Reorder the terms: (-6 + -6r + 7r3)(2r + -4) = 0 Reorder the terms: (-6 + -6r + 7r3)(-4 + 2r) = 0 Multiply (-6 + -6r + 7r3) * (-4 + 2r) (-6(-4 + 2r) + -6r * (-4 + 2r) + 7r3 * (-4 + 2r)) = 0 ((-4 * -6 + 2r * -6) + -6r * (-4 + 2r) + 7r3 * (-4 + 2r)) = 0 ((24 + -12r) + -6r * (-4 + 2r) + 7r3 * (-4 + 2r)) = 0 (24 + -12r + (-4 * -6r + 2r * -6r) + 7r3 * (-4 + 2r)) = 0 (24 + -12r + (24r + -12r2) + 7r3 * (-4 + 2r)) = 0 (24 + -12r + 24r + -12r2 + (-4 * 7r3 + 2r * 7r3)) = 0 (24 + -12r + 24r + -12r2 + (-28r3 + 14r4)) = 0 Combine like terms: -12r + 24r = 12r (24 + 12r + -12r2 + -28r3 + 14r4) = 0 Solving 24 + 12r + -12r2 + -28r3 + 14r4 = 0 Solving for variable 'r'. Factor out the Greatest Common Factor (GCF), '2'. 2(12 + 6r + -6r2 + -14r3 + 7r4) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(12 + 6r + -6r2 + -14r3 + 7r4)' equal to zero and attempt to solve: Simplifying 12 + 6r + -6r2 + -14r3 + 7r4 = 0 Solving 12 + 6r + -6r2 + -14r3 + 7r4 = 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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