81a^2-144a+64=0

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Solution for 81a^2-144a+64=0 equation:


Simplifying
81a2 + -144a + 64 = 0

Reorder the terms:
64 + -144a + 81a2 = 0

Solving
64 + -144a + 81a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(8 + -9a)(8 + -9a) = 0

Subproblem 1

Set the factor '(8 + -9a)' equal to zero and attempt to solve: Simplifying 8 + -9a = 0 Solving 8 + -9a = 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 + -9a = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -9a = 0 + -8 -9a = 0 + -8 Combine like terms: 0 + -8 = -8 -9a = -8 Divide each side by '-9'. a = 0.8888888889 Simplifying a = 0.8888888889

Subproblem 2

Set the factor '(8 + -9a)' equal to zero and attempt to solve: Simplifying 8 + -9a = 0 Solving 8 + -9a = 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 + -9a = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -9a = 0 + -8 -9a = 0 + -8 Combine like terms: 0 + -8 = -8 -9a = -8 Divide each side by '-9'. a = 0.8888888889 Simplifying a = 0.8888888889

Solution

a = {0.8888888889, 0.8888888889}

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