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Am nevoie de ajutooooorrr !!

Am Nevoie De Ajutooooorrr class=

Răspuns :

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Vezi imaginea CRISANEMANUEL
x* (√2+1)/(√2-1)=2+√8

x*(√2+1)/(√2-1)=2+2√2

x*(√2+1)/(√2-1)=2(1+√2)

dar √2+1=1+√2≠0, deci putem imparti prin el in stanga si in dreapta
x/(√2-1)=2
x=2(√2-1)