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(4^2-(3*6-(80/5))^2)/(9^2)-77 = 0
(16-(3*6-(80/5))^2)/(9^2)-77 = 0
(16-(18-(80/5))^2)/(9^2)-77 = 0
(16-(18-16)^2)/(9^2)-77 = 0
(16-2^2)/(9^2)-77 = 0
(16-4)/(9^2)-77 = 0
12/(9^2)-77 = 0
12/81-77 = 0
4/27-77 = 0
-2075/27 = 0
L <> R
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