Answer
Left to right, by row.
$-2, 0, 2$ (row 1)
$0, -2, 2$ (row 2)
Work Step by Step
Because they [the matrices] are the same size, they can be subtracted. Subtracting goes as followed:
$0-2=-2, 1-1=0, 1-(-1)=2$
$1-1=0, 1-3=-2, 0-(2)=2$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 10 - Section 10.4 - The Algebra of Matrices - 10.4 Exercises - Page 720: 10
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