# How do you multiply -(2a + 3b + 4c)?

$- 2 a - 3 b - 4 c$
1. $- \left(2 a + 3 b + 4 c\right) = \setminus \textcolor{red}{\left(- 1\right)} \left(2 a + 3 b + 4 c\right)$
2. $\setminus \textcolor{red}{\left(- 1\right)} \left(2 a\right) + \setminus \textcolor{red}{\left(- 1\right)} \left(3 b\right) + \setminus \textcolor{red}{\left(- 1\right)} \left(4 c\right)$
3. $- 2 a + \left(- 3 b\right) + \left(- 4 c\right) = - 2 a - 3 b - 4 c$