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Vilmaristul
a fost răspuns

scoateti factor comun (x-2)(x+1)-(2-x)(3x+2)+(x-2)²

Răspuns :

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

elimini parantezele

= (x-2)(x+1)+(-2+x)(3x+2)+(x-2)² =

descompui in factori 

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

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

reduci termenii asemenea 

= (x-2)(5x+1) 

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