# Let vectors A=(1,0,-3) ,B=(-2,5,1) and C=(3,1,1), how do you calculate 3A-2C?

##### 1 Answer

Jan 3, 2016

#### Explanation:

Scalars are multiplied in.

#3A=<3,0,-9>#

#-2C=<-6,-2,-2>#

To add the vectors, simply add each component separately.

#3A+(-2C)=<3-6,0-2,-9-2>#

#=<-3,-2,-11>#