x√2-x=2 x(√2-1)=2 x=2/(√2-1) x=2/(√2-1)*(√2+1)/(√2+1) x=(2√2+2)/2-1 x=2√2+2
x(√2-1) = 2 x = 2÷(√2-1)
0=2-√2 [√2=1,41421356] Pozdro demo