Question

How do you simplify `(10x + 15) + (4x + 10)`?

Answer 1

By regrouping:
`(10x+15)+(4x+10)=color(red)(14x+25)`

Explanation:

`(10x+15)+(4x+10)`
`color(white)("XXX")=10x+4x+15+10`

`color(white)("XXX")=14x+25`