expand (4a + 5b)cube
Answers
Answered by
4
Answer:
4a³ + 5b³ + 3(4a)(5b) 4a + 5b.
Step-by-step explanation:
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Answered by
3
Step-by-step explanation:
(4a+5b)3
3 3
a - b - 3( a+ b)
3 3
(4a) - (5b) - 3(4a + 5b)
3 3
64a - 125b - 12a + 15b.
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