Question

What is (3+√2)(3−√2)?

Answer 1

here is ur answer:

$(3 + \sqrt{2} )(3 - \sqrt{2} ) \\ \\ {3}^{2} - { (\sqrt{2}) }^{2} \\ \\ 9 - 2 \\ \\ 7$

hope it helps you ❤

Answer 2

Answer:

(3+root 2)(3- root 2)

3^2 -root 2^2

9-2

7