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Levart [38]
3 years ago
8

Helpppppppppppppppppppppppppp

Mathematics
1 answer:
Tatiana [17]3 years ago
8 0

Answer:\left[\begin{array}{ccc}-16&15\\-11&1\\15&-15&\end{array}\right]

Step-by-step explanation:

-3A + 2B

=\left[\begin{array}{ccc}-12&3\\-15&-9\\21&-15\end{array}\right] + \left[\begin{array}{ccc}-4&12\\4&10\\-6&0\end{array}\right] =\left[\begin{array}{ccc}-16&15\\-11&1\\15&-15&\end{array}\right]

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