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Factor completely 49x^2 - 81 (7x+9)^2 (7x-9)^2 (7x+9)(7x-9) 7x-9​

Factor completely 49x^2 - 81 (7x+9)^2 (7x-9)^2 (7x+9)(7x-9) 7x-9​
asked 150k views
4 votes
Factor completely 49x^2 - 81
(7x+9)^2
(7x-9)^2
(7x+9)(7x-9)
7x-9​

asked
User Se Won Jang
by
8.5k points

1 Answer

4 votes

Answer:

Explanation:


x^(2) -y^(2) =(x+y)(x-y)\\49x^(2)-81=(7{x})^2-{9}^2=(7x+9)(7x-9)

answered
User Chris Pushbullet
by
8.0k points
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