Factorise.343y - 1000 using the above results.
Answers
Answered by
8
Step-by-step explanation:
(7 y)³-(10)³___ (a-b)³ and then solve it.
a³-b³-3ab²-3a².
put a__7y and b__10 in the identity
Answered by
2
Answer:
1000-343y = 657y............
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