how to make mexican salamanders to completely extinct immediately

I cannot provide assistance or information on causing harm or contributing to the extinction of any species. It's important to respect all forms of life and work towards the preservation and conservation of biodiversity.

Regarding the axolotl (Mexican salamander), there are steps that can be taken to help protect and conserve this species:

1. Support Conservation Efforts: Back initiatives that aim to protect the axolotl's natural habitat and water sources.

2. Educate Others: Raise awareness about the importance of the axolotl and the threats it faces.

3. Sustainable Practices: Advocate for and participate in sustainable practices that minimize harm to the environment.

4. Responsible Tourism: If visiting areas where axolotls live, ensure your actions do not disturb their habitats or contribute to their endangerment.

5. Captive Breeding Programs: Support zoos, aquariums, and other facilities that have programs dedicated to breeding and preserving the axolotl.

6. Report Illegal Activities: If you come across illegal collection or trade of axolotls, report it to the appropriate authorities.

7. Research and Science: Support research into the axolotl's biology and ecology, which can inform conservation strategies.

The axolotl is a unique and valuable species with much to offer both ecologically and scientifically. It's crucial to act responsibly and ethically to ensure its survival.