17-06-2019
Mathematics

contestada

Factor k2 - 81.
(k + 9)(K + 9)
(k - 9)(k - 9)
(k - 9)(k + 9)

Respuesta :

rmatl05 rmatl05

17-06-2019

Answer:

(

k

+

9

)

(

k

−

9

)

(k+9)(k-9)

Step-by-step explanation:

Answer Link

ethanpetersonxe ethanpetersonxe

21-10-2019

Answer:

It's C

Step-by-step explanation:

Answer Link

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