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(x+2)la puterea a 2+(x-3)la puterea a 2-(x+1)(x-1)

Răspuns :

(x+2)²+(x-3)²-(x+1)(x-1)=
x²+4x+4+x²-6x+9-(x²-1)=
x²+4x+4+x²-6x+9-x²+1=
-2x+14+x²
Sper ca te-am putut ajuta ! (:
Salut,

(x+2)²+(x-3)²-(x+1)(x-1) =
x²+4x+4+x²-6x+9-(x²-1) =
2x²-2x+13-x²+1 =
x²-2x+14.


Succes! :3