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Factor this expression COMPLETELY: x2 - 9 thank you :)
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4 votes
Factor this expression COMPLETELY:
x2 - 9

thank you :)

User Oleg Isonen
by
8.1k points

2 Answers

5 votes
I agree with the last person. If you factor this expression completely you will get (x-3)(x+3) which can be proven in the reverse as well. 
User Whiskeyo
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8.1k points
5 votes
The factored expression would be (x-3)(x+3)
User Pavel Sapehin
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7.9k points
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