Question

va rog ajutor!!!
a)$9 - 10 \sqrt{2} + 11 - 3 \sqrt{8} =$
b)$- 2 \sqrt{11} + 3 \sqrt{44} - \sqrt{99} + 5$=

Answer 1

a) 9-10_/2+11-3_/8=
20-10_/2-6_/2=
20-16_/2.

b) -2_/11+3_/44-_/99+5=
-2_/11+6_/11-3_/11+5=
-5_/+6_/11+5=
_/11+5.

_/=radical