Welcome to Westonci.ca, your one-stop destination for finding answers to all your questions. Join our expert community now! Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

(3-√5)(3-√5)
Please Include Steps


Sagot :

[tex]\left( 3 - \sqrt 5 \right) \left( 3 - \sqrt 5 \right) \\\\=\left( 3 - \sqrt 5 \right) ^2\\\\=3^2 - 2 \cdot 3 \cdot \sqrt 5 + \left( \sqrt 5 \right)^2\\\\=9-6\sqrt5 +5\\\\=14-6\sqrt 5\\\\=2(\left7-3\sqrt 5 \right)[/tex]