64a3 - 343 factories
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hope it will help you:-)
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Answer:
(4a-7)(16a²+28a+49)
Step-by-step explanation:
64a³-343
=(4a)³-(7)³ (∴It is in the form of a³-b³)
=(4a-7)[(4a)²+4a*7+(7)²] (a³-b³=(a-b)(a²+ab+b²)
=(4a-7)(16a²+28a+49)
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