find the cube of 3a-2b
Answers
Answered by
1
Answer:27a³-54a²b+36ab²-8b³
Step-by-step explanation: (3a-2b)³=(3a-2b)(3a-2b)(3a-2b)
=(9a²-6ab-6ab+4b²)(3a-2b)
=(9a²-12ab+4b²)(3a-2b)
=27a³-36a²b+12ab²-18a²b+24ab²-8b³
=27a³-8b³-36a²b-18a²b+12ab²+24ab²
=27a³-8b³-54a²b+36ab²
Similar questions