How do you multiply #-(2a + 3b + 4c)#?
1 Answer
Apr 20, 2018
Explanation:
#-(2a+3b+4c)=\color(red)((-1))(2a+3b+4c)# #\color(red)((-1))(2a)+\color(red)((-1))(3b)+\color(red)((-1))(4c)# #-2a+(-3b)+(-4c)=-2a-3b-4c#
