Matrix A
A1 A2
1 -2 6
2 -3 4
Matrix B
B1 B2
1 1 -4
2 -2 3
c11 = -2 x 1 + 6 x (-2) = -14
C1 C2
1 -14 0
2 0 0
c12 = -2 x (-4) + 6 x 3 = 26
C1 C2
1 -14 26
2 0 0
c21 = -3 x 1 + 4 x (-2) = -11
C1 C2
1 -14 26
2 -11 0
c22 = -3 x (-4) + 4 x 3 = 24
C1 C2
1 -14 26
2 -11 24