Question 1210332
Given that

P = {{{matrix(2,2,2,4,-9,1)}}}

and

Q = {{{matrix(2,2,1,-1,3,-2)}}}


find PQ + 2Q.


if P =  {{{matrix(2,2,2,4,-9,1)}}}


than 

2P=  {{{2*(matrix(2,2,2,4,-9,1))}}}= {{{matrix(2,2,4,8,-18,2)}}}
 

if Q = {{{matrix(2,2,1,-1,3,-2)}}}

than 2Q={{{2(matrix(2,2,1,-1,3,-2))}}}={{{matrix(2,2,2,-2,6,-4)}}}


PQ + 2Q= {{{matrix(2,2,4,8,-18,2)}}}+{{{matrix(2,2,2,-2,6,-4)}}}={{{matrix(2,2,6, 6, -12, -2)}}}