(3a-b)^3 expand..plssss
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Answered by
1
Answer:
Step-by-step explanation:
27a3 - 27a2b + 9ab2 - b3
Answered by
1
Step-by-step explanation:
(3a-b)^3
=(3a)^3 - 3.(3a)^2. b + 3.3a.b^2 - (b)^3
=27a^3 - 3.9a^2b + 9ab^2 -b^3
=27a^3 - 27a^2b + 9ab^2 -b^3
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