3 years ago

PLEASE HELP!!!! Factor: 9a^2 - 121

2 answers:

7 0

Answer:

$\sf\:{9a}^{2} - 121$

$\sf\:{(3a)}^{2} - {(11)}^{2}$

$\sf\:(3a + 11)(3a - 11)$

saw5 [17]3 years ago

6 0

Answer:

(3a + 11) (3a - 11)

Step-by-step explanation:

:))

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