Question

How do you simplify `4r + 5s - 4( 9r - 3s )`?

Answer 1

`-32r + 17s`

Explanation:

`4r +5s - 4(9r - 3s)`

Use distributive property

`4r + 5s - 36r +12s`

Then add and subtract similar terms
`-32r + 17s`