Mathematics

Mathematics, 05.02.2020 02:59, Meowkitty1894

Factor completely 3x2 − 21.
3(x2 − 7)
3(x + 7)(x − 7)
3(x + 7)(x − 3)
prime

( ! )

answer

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Factor completely 3x2 − 21.
3(x2 − 7)
3(x + 7)(x − 7)
3(x + 7)(x − 3)
pri...

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