Question

(4j3 - 7j + 2s3 ) - ( - 12j3 - 8j )

It’s basic operations with variables what’s the answer please help

Answer 1

`-8j^3+j+2s^3`

Explanation:

The trick here is to consider
`j^3`,
`j`, and
`s^3` as separate variables.

`(4j^3-7j+2s^3)-(-12j^3-8j)`

`4j^3-7j+2s^3+12j^3+8j`

`4j^3+12j^3-7j+8j+2s^3`

`16j^3+j+2s^3`