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Simplifying -80a4 + 70a6 = 0 Solving -80a4 + 70a6 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), '10a4'. 10a4(-8 + 7a2) = 0 Ignore the factor 10.Subproblem 1
Set the factor 'a4' equal to zero and attempt to solve: Simplifying a4 = 0 Solving a4 = 0 Move all terms containing a to the left, all other terms to the right. Simplifying a4 = 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 '(-8 + 7a2)' equal to zero and attempt to solve: Simplifying -8 + 7a2 = 0 Solving -8 + 7a2 = 0 Move all terms containing a to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + 7a2 = 0 + 8 Combine like terms: -8 + 8 = 0 0 + 7a2 = 0 + 8 7a2 = 0 + 8 Combine like terms: 0 + 8 = 8 7a2 = 8 Divide each side by '7'. a2 = 1.142857143 Simplifying a2 = 1.142857143 Take the square root of each side: a = {-1.069044968, 1.069044968}Solution
a = {-1.069044968, 1.069044968}
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