Proszę o szybkie rozwiązanie. Pilne plisss zadanie w załączniku  

Oblicz: [latex]|7+sqrt2|=7+sqrt2[/latex] ------------------------ [latex]|-7+sqrt3|=-(-7+sqrt3)=7-sqrt3[/latex] ------------------------ [latex]|3-4sqrt2|cdot|-1-sqrt2|=[/latex] [latex]-(3-4sqrt2)cdot[-(-1-sqrt2)]=[/latex] [latex]-(3-4sqrt2)cdot(1+sqrt2)=[/latex] [latex]-(3+3sqrt2-4sqrt2-8)=[/latex] [latex]-3-3sqrt2+4sqrt2+8=[/latex] [latex]sqrt2+5[/latex] ------------------------ [latex]|-4-2sqrt7|cdot|sqrt7-5|=[/latex] [latex]-(-4-2sqrt7)cdot[-(sqrt7-5)])=[/latex] [latex]-(-4-2sqrt7)cdot(-sqrt7+5)=[/latex] [latex]-(4sqrt7-20+14-10sqrt7)=[/latex] [latex]-4sqrt7+20-14+10sqrt7)=[/latex] [latex]6sqrt7+6[/latex] ------------------------ [latex]|2-|6-13|-5|=|2-|-7|-5|=[/latex] [latex]|2-7-5|=|-10|=10[/latex] ------------------------ [latex]|7-|-6+2|-1|=|7-|-4|-1|=[/latex] [latex]|7-4-1|=|2|=2[/latex] ====================== Oblicz x: [latex]|x|=4[/latex] [latex]x=4 lub x=-4[/latex] ------------------------ [latex]|x|=8[/latex] [latex]x=8 lub x=-8[/latex] ------------------------ [latex]|x-3|=1[/latex] [latex]x-3=1 lub x-3=-1[/latex] [latex]x=1+3 lub x=-1+3[/latex] [latex]x=4 lub x=2[/latex] ------------------------ [latex]|x+4|=6[/latex] [latex]x+4=6 lub x+4=-6[/latex] [latex]x=6-4 lub x=-6-4[/latex] [latex]x=2 lub x=-10[/latex] ------------------------ [latex]|x-2|=5[/latex] [latex]x-2=5 lub x-2=-5[/latex] [latex]x=5+2 lub x=-5+2[/latex] [latex]x=7 lub x=-3[/latex] ------------------------ [latex]|x+6|=2[/latex] [latex]x+6=2 lub x+6=-2[/latex] [latex]x=2-6 lub x=-2-6[/latex] [latex]x=-4 lub x=-8[/latex] ------------------------ [latex]|x| ge 5[/latex] [latex]x ge 5 lub x le -5[/latex] [latex]xinleft(- infty;-5 ight angle cup leftlangle5;+ infty ight)[/latex] ------------------------ [latex]|x|<2[/latex] [latex]-23[/latex] [latex]x-6>3 lub x-6<-3[/latex] [latex]x>3+6 lub x<-3+6[/latex] [latex]x>9 lub x<3[/latex] [latex]xinleft(- infty;3 ight) cup left(9;+ infty ight)[/latex] ------------------------ [latex]|x+7| le 4[/latex] [latex]-4 le x+7 le 4[/latex] [latex]-4-7 le x le 4-7[/latex] [latex]-11 le x le -3[/latex] [latex]xinleftlangle-11;-3 ight angle[/latex] ------------------------ [latex]|x-1| ge 2[/latex] [latex]x-1 ge 2 lub x-1 le -2[/latex] [latex]x ge 2+1 lub x le -2+1[/latex] [latex]x ge3 lub x le -1[/latex] [latex]xinleft(- infty ;-1 ight angle cupleftlangle3;+ infty ight)[/latex] ------------------------ [latex]|x+5|