at the bottom of this page you will find a good explanation of matrix multiplication using 2 3by3 matrices.
http://www.purplemath.com/modules/mtrxmult.htm
Find AB using matrix multiplication
A= -1 0 2
4 1 -1
2 0 1
B= 2 1 0
-1 0 2
4 -3 -1
1 answer