👤

descompune in factori ireductibili {x*2-3x+1)*2-1


Răspuns :

(2x-3x+1)2-1=(1-x)2-1=2-2x-1= -(2+2x+1)= -(√2+1)²

daca nu stii (√2)²=2
(a+b)²=a²+2ab+b²