Упрощаем
(а²-36)(а²+36)-(а∧4-36а²+324)
а∧4-1296-а∧4+36а²-324
-1620+36а²
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Answers & Comments
При замене а на -1/6: -1626
Упрощаем
(а²-36)(а²+36)-(а∧4-36а²+324)
а∧4-1296-а∧4+36а²-324
-1620+36а²