Cina ma poate ajuta urgent la aceste doua probleme doar ex 16 pct a ex 17 pct a Urgent dau coroniță

Răspuns:
x=-5*4 radical 6 -2*5 radical 6 -4*3radical 6
x=(-20-10-12) radical 6
x= -42 radical 6
-radical 6: radical 2 + (-4 radical 15) :(-radical 5)
-radical 3+ 4radical 3
3 radical 3