125a3- 216b3-450a2b +540ab2
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Answer:
(5a-6b) 3
Step-by-step explanation:
125a3-216b3-450a2b+540ab2
using the identity: (a-b)3= a3-b3-3ab(a-b)
(5a)3+(-6b)3-3(5a)(-6b)(5a-6b)
= (5a-6b)3
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