Answer:
(4, -3)
Step-by-step explanation:
You just divide each coordinate by 3.
Answer:
x = -4 and -3
Step-by-step explanation:
factors to (x+4)(x+3)
to zero them is -4 and -3
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Answer:
-1, 0, 1, 2
Step-by-step explanation:
-1 + 0 + 1 + 2 = 2
The easy answer: If, say, B is the zero matrix, i.e.

then

Answer: B
Step-by-step explanation: