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Simplificati raportul :
x patrat +7x +6 SUPRA x patrat+2x+1


Răspuns :

x2+7x+6/x2+2x+1=8x2+6/3x2+1=64x+6/9x+1=64x/9x+6/1=64x•1+9x•6=64x+54x=>2x=64-54=10=>x=10:2
x=5