Question

Which expression is equivalent to (18x + 9k) + (2x + 6k)?

Answer 1

18x + 9k + 2x + 6k...combine like terms
20x + 15k or it can also be 5(4x + 3k)

Answer 2

`5(4x+3k)` or
`(20x+15k)`

Explanation:

we have

`(18x+9k)+(2x+6k)`

step 1

Group terms that contain the same variable

`(18x+2x)+(9k+6k)`

step 2

Combine like terms

`(20x)+(15k)`

step 3

Factor the number
`5`

`5(4x+3k)`