Multiply and simplify is possible.

Question

(3 - √5)(7 - √5)

Answer 1

Using the FOIL method, we get:

(3 - √5)(7 - √5) = 21 - 3√5 - 7√5 + 5

Simplifying, we can combine like terms:

= 26 - 10√5

Therefore, (3 - √5)(7 - √5) = 26 - 10√5.