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Svetach [21]
3 years ago
11

Factor u^2-9 pls helpp im taking the test rn

Mathematics
2 answers:
IgorLugansk [536]3 years ago
8 0

Answer:

(u+3)(u-3)

Step-by-step explanation:

u²-9 = u²-3²

a²-b²=(a+b)(a-b)

u²-3²=(u+3)(u-3)

katrin2010 [14]3 years ago
8 0

Answer:

u²-9

=u²-3²

=(u+3)(u-3)

Step-by-step explanation:

use formula a²-b²=(a+b)(a-b)

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