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Simplificati fractia F(x,y)=

Simplificati Fractia Fxy class=

Răspuns :

x^2+4y+xy+4x=x(x+4)+y(x+4)=(x+4)(x+y)
x^2+7x+12=(x+3)(x+4)
F(x,y)=(x+4)(x+y)/(x+3)(x+4)=(x+y)/(x+3)