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A) 100x^2 - 160x + 64=
B) 9-12a+4a^3=
C) 16 m^2 + 96mn + 144n^2=
D) 1+2x+x^2=
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Răspuns :

HawkEyed
A) 100x^2 - 160x + 64=  (10x - 8)²
B) 9-12a+4a^2= (3 - 2a)²
C) 16 m^2 + 96mn + 144n^2= (4m + 12n)²
D) 1+2x+x^2= ( 1 + x)²

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