Question

va rog ajuta ti ma la 7

Answer 1

Sper ca te am ajutat!

Answer 2

$\it |\underbrace{\it \sqrt7-\sqrt5}_{>0}|+|2+\sqrt5|-|\underbrace{\it \sqrt7-3}_{<0}|+2=\sqrt7-\underline{\underline{\sqrt5}}+2+\underline{\underline{\sqrt5}}-(3-\sqrt7)+2=\\ \\ =\underline{\underline{\sqrt7}}+2-3+\underline{\underline{\sqrt7}}+2=1+2\sqrt7$