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Which of the following is equal to 49x2−81? (7x−9)2 (x+9)(x−9) (7x+9)(7x−9) (7x+9)2

Which of the following is equal to 49x2−81? (7x−9)2 (x+9)(x−9) (7x+9)(7x−9) (7x+9)2
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1 vote
Which of the following is equal to 49x2−81?

(7x−9)2

(x+9)(x−9)

(7x+9)(7x−9)

(7x+9)2

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User Dur
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8.1k points

1 Answer

2 votes

Answer:

2

Explanation:

answered
User Daviid
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