Question

Ma puteti ajuta va rog? : descompuneti in factori expresia: ( x la a 2-a - 3x +1 )totul la a 2-a -1.

Answer 1

(x^2-3x+1)^2-1=(x^2-3x+1-1)(x^2-3x+1+1)=(x^2-3x)(x^2-3x+2)=x(x-3)(x^2-2x-x+2)=x(x-3)[x(x-2)-(x-2)]=x(x-3)(x-2)(x-1)=x(x-1)(x-2)(x-3)