Answer
[ 2....2]
[ 3....4]
[-4....3]
Work Step by Step
You are given two matrices:
[-2....3]
[0....4]
[-1....1]
[ 4....-1]
[ 3....0]
[-3....2]
Combine the two matrices by adding:
[-2+4....3+-1]
[0+3....4+0]
[-1+-3....1+2]
The new matrix is
[ 2....2]
[ 3....4]
[-4....3]