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Simplifying
64a2 + -81b2 = 0
Solving
64a2 + -81b2 = 0
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '81b2' to each side of the equation.
64a2 + -81b2 + 81b2 = 0 + 81b2
Combine like terms: -81b2 + 81b2 = 0
64a2 + 0 = 0 + 81b2
64a2 = 0 + 81b2
Remove the zero:
64a2 = 81b2
Divide each side by '64'.
a2 = 1.265625b2
Simplifying
a2 = 1.265625b2
Take the square root of each side:
a = {-1.125b, 1.125b}
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