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elena55 [62]
4 years ago
6

Which is a correct factorization of 391?

Mathematics
2 answers:
rjkz [21]4 years ago
7 0
The answer is c
(20x20)+(20x9)-(9x20)-(9x9)
=391
olga_2 [115]4 years ago
3 0

The answer is option B.

Because (20 - 3) (20 + 3)

= (20)^2 - 3^2

=400 - 9

=391.

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