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efectuati calculele:4x+8/x²+4x+4*x²-4/4x-8=

Răspuns :

(4x+8)/(x²+4x+4)*(x²-4)/(4x-8/)=
(4x+8)/(x+2)²*(x-2)*(x+2)/4(x-2)=
(4x+8)/4(x+2)=4(x+2)/4(x+2)=1

sper sa intelegi ce am facut:am redus termenii intre ei
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