7) Expand: (3a +4b)³
Answers
Answered by
5
Answer:
a³+3ab+b³
mark as Brainliest
Answered by
0
Answer:
(3a + 4b) =
Explanation:
= (3a)^3 +3(3a)^2(4b)^2 + (4b)^3
= 27a^3 +108a^2b + 144ab^2 +64b^3
Similar questions