We have the following expression:
(7-root (2)) * (8 + root (2))
Rewriting we have:
(7-root (2)) * (8 + root (2))
= 56 + 7raiz (2) - 8raiz (2) - root (2) * root (2)
= 56 + root (2) * (7-8) - 2
= 56 - root (2) - 2
= 54 - root (2)
Answer:
= 54 - root (2)
option 1
