Inmultim pe diagonala 2√2 x = (√6 + √2 -2)(√3 + √2 -1) 2√2 x = √18 + √12 - √6 + √6 +√4 -√2 - 2√3 -2√2 +2 2√2 x = 3√2 + 2√3 + 2 - √2 -2√3 -2√2 + 2 2√2 x = 4 |:2 √2 x = 2 x = 2/√2 (rationalizam) x = (2√2)/2 x = √2
