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Simplifying (4a + -8)(5a2 + -5a + 5) = 0 Reorder the terms: (-8 + 4a)(5a2 + -5a + 5) = 0 Reorder the terms: (-8 + 4a)(5 + -5a + 5a2) = 0 Multiply (-8 + 4a) * (5 + -5a + 5a2) (-8(5 + -5a + 5a2) + 4a * (5 + -5a + 5a2)) = 0 ((5 * -8 + -5a * -8 + 5a2 * -8) + 4a * (5 + -5a + 5a2)) = 0 ((-40 + 40a + -40a2) + 4a * (5 + -5a + 5a2)) = 0 (-40 + 40a + -40a2 + (5 * 4a + -5a * 4a + 5a2 * 4a)) = 0 (-40 + 40a + -40a2 + (20a + -20a2 + 20a3)) = 0 Reorder the terms: (-40 + 40a + 20a + -40a2 + -20a2 + 20a3) = 0 Combine like terms: 40a + 20a = 60a (-40 + 60a + -40a2 + -20a2 + 20a3) = 0 Combine like terms: -40a2 + -20a2 = -60a2 (-40 + 60a + -60a2 + 20a3) = 0 Solving -40 + 60a + -60a2 + 20a3 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), '20'. 20(-2 + 3a + -3a2 + a3) = 0 Ignore the factor 20.Subproblem 1
Set the factor '(-2 + 3a + -3a2 + a3)' equal to zero and attempt to solve: Simplifying -2 + 3a + -3a2 + a3 = 0 Solving -2 + 3a + -3a2 + a3 = 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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