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9 January, 06:09

Which matrix is equal to 3A?

A = 4 9

13 5

- 7 12

16 8

- 12 27

39 15

- 1 6

10 2

- 12 9

13 5

+4
Answers (2)
  1. 9 January, 06:18
    0
    The answer is B. 12 27 39 15
  2. 9 January, 06:34
    0
    (x-1) (x+3) = 0 (x-1) (x+3) = 0

    how to use factorization methods in order to bring other equations ((like x^2-3x-10=0) x

    2

    -3x-10=0) to a factored form and solve them
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