Question

ex 9, punctul d) va rooooggg

Answer 1

Răspuns:

Salut

d)2x^3 + x^2 -5x+2=

= 2x^3 + 2x^2 +3x^2 -3x-2x+2=

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

= (x-1)*(2x^2+3x-2)=

= (x-1)*(2x^2 +4x-x-2)=

= (x-1)*[2x*(x+2)-(x+2)]=

= (x-1)*(x+2)*(2x-1)

sper sa fie corect.