Scott M. answered • 11/18/15
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3A = 9 -6 15 0
0 3 3 -9
3A + B = (9+2) (-6+-2) (15+1) (0+4)
(0+0) (3+0) (3+-3) (-9+1)
Emily S.
asked • 11/18/15compute 3A+b
A= 3 -2 5 0
0 1 1 -3
B= 2 -2 1 4
0 0 -3 2
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