Răspuns :

( 7-√2 )×(5+√3) - 3√6 - 4√3 + 10(√2 - √ 3)=35+7√3-2√5-√6-3√6-4√3+10√2-10√3
=35-7√3-2√5-4√6+10√2
=7(5-√3)-2(√5+2√6-5√2)
35+7√3-5√2-√6-3√6-4√3+10√2-10√3=35+7√3+5√2-4√6