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Simplifying -4a3(-7b + 2ab) = 0 Reorder the terms: -4a3(2ab + -7b) = 0 (2ab * -4a3 + -7b * -4a3) = 0 Reorder the terms: (28a3b + -8a4b) = 0 (28a3b + -8a4b) = 0 Solving 28a3b + -8a4b = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), '4a3b'. 4a3b(7 + -2a) = 0 Ignore the factor 4.Subproblem 1
Set the factor 'a3b' equal to zero and attempt to solve: Simplifying a3b = 0 Solving a3b = 0 Move all terms containing a to the left, all other terms to the right. Simplifying a3b = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Subproblem 2
Set the factor '(7 + -2a)' equal to zero and attempt to solve: Simplifying 7 + -2a = 0 Solving 7 + -2a = 0 Move all terms containing a to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2a = 0 + -7 -2a = 0 + -7 Combine like terms: 0 + -7 = -7 -2a = -7 Divide each side by '-2'. a = 3.5 Simplifying a = 3.5Solution
a = {3.5}
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