Question

Упростите выражение.
(4-√2)²+4√8

Answer 1

(4-√2)²+4√8= 4² -2 *(4-√2)+(√2)²+4√8=16-8+2√2+2+4√8= 10 + 2√2+8√2=10+10√2= =10(1+√2)