=ل - 3
![- 2 \times \sqrt{21} - 2 \times \sqrt{21}](https://tex.z-dn.net/?f=+-+2+%5Ctimes++%5Csqrt%7B21%7D+)
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Answer:
Bing for the world of the world of the world
Step-by-step explanation:
Hong Kong and subscribe to my channel for the world hung on the
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