a6nd9reenchelbake a6nd9reenchelbake

01-10-2016
Mathematics

contestada

Factor completely 49x2 − 81.
a. (7x 9)2
b. (7x − 9)2
c. (7x 9)(7x − 9)
d. 7x − 9

Respuesta :

02-10-2016

Use the property
(a -b)(a+ b) = a^2 - b^2

49x^2 - 81 = (7x + 9)((7x - 9)

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LilyLove2007 LilyLove2007

08-09-2021

Answer:

The other person is correct it is c. (7x 9)(7x − 9)

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