Question

How do you simplify `3(a+3b+c)`?

Answer 1

To simplify multiply `color(red)(3)` by each term within the parenthesis:

`color(red)(3)(a + 3b + c) -> (color(red)(3) xx a) + (color(red)(3) xx 3b) + (color(red)(3) xx c) ->`

`3a + 9b + 3c`