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Sophie
[7]
2 years ago
14
Can someone tell me how so solve this?
Mathematics
Answer
Comment
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2
answers:
frutty
[35]
2 years ago
8
0
X^2−9=0
Add 9 to both sides.
x^2−9+9=0+9
x^2=9
Take square root.
x=±√9
x=3 or x=−3
Answer:
x=3 or x=−3
Send
Licemer1
[7]
2 years ago
3
0
Algebra answer A. x = _^+3
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