Question

How do you combine like terms in `-4( k - 3) + 3( 9k + 9)`?

Answer 1

17k + 9

Explanation:

First, you simplify the problem by multiplying it out.
`−4(k−3)+3(9k+9)`
it would be
`-4(k) + -4(-3) + 3(9k) +3(9)`
`-4k+ -12 +21k+21`
Afterwards, you combine like terms.
`-4k+21k = 17k`
`-12+21= 9`
So, your answer would be:
`17k + 9`

That's it! Remember to keep on learning!
- Alana R.