Question

(3ab+2c)^3 what is the answer

Answer 1

`=27a^3b^3+54a^2b^2c+36abc^2+8c^3`

Explanation:

`(3ab+2c)^3`

`=(3ab+2c)` ×
`(3ab+2c)` ×

`=(3ab+2c)(9a^2b^2+12abc+4c^2)`

`=(3ab)(9a^2b^2)+(3ab)(12abc)+(3ab)(4c^2)+(2c)(9a^2b^2)+(2c)(12abc)+(2c)(4c^2)`

`=27a^3b^3+36a^2b^2c+12abc^2+18a^2b^2c+24abc^2+8c^3`

`=27a^3b^3+54a^2b^2c+36abc^2+8c^3`

hope this helps....