Question

(4-√2 )^2 +4√8
Упростите выражение

Answer 1

(4-√2)²+4√8=
=16-8√2+2+4*2√2=
=18-8√2+8√2=18

Answer 2

(4-√2)²+4√8=16-8√2+2+4√8=18-8√2+4√(4*2)=18-8√2+8√2=18