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Simplifying 54a4 + -72a2 + 24 = 0 Reorder the terms: 24 + -72a2 + 54a4 = 0 Solving 24 + -72a2 + 54a4 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), '6'. 6(4 + -12a2 + 9a4) = 0 Factor a trinomial. 6((2 + -3a2)(2 + -3a2)) = 0 Ignore the factor 6.Subproblem 1
Set the factor '(2 + -3a2)' equal to zero and attempt to solve: Simplifying 2 + -3a2 = 0 Solving 2 + -3a2 = 0 Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -3a2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3a2 = 0 + -2 -3a2 = 0 + -2 Combine like terms: 0 + -2 = -2 -3a2 = -2 Divide each side by '-3'. a2 = 0.6666666667 Simplifying a2 = 0.6666666667 Take the square root of each side: a = {-0.816496581, 0.816496581}Subproblem 2
Set the factor '(2 + -3a2)' equal to zero and attempt to solve: Simplifying 2 + -3a2 = 0 Solving 2 + -3a2 = 0 Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -3a2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3a2 = 0 + -2 -3a2 = 0 + -2 Combine like terms: 0 + -2 = -2 -3a2 = -2 Divide each side by '-3'. a2 = 0.6666666667 Simplifying a2 = 0.6666666667 Take the square root of each side: a = {-0.816496581, 0.816496581}Solution
a = {-0.816496581, 0.816496581, -0.816496581, 0.816496581}
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