Matematică
AnaPopAni
2024-05-05 04:21:36
E(x)=[latex] frac{2 x^{2}+9 }{ x^{2} -9} - frac{3}{(x+3)(x-3)} - frac{ x^{2} -x-6}{ x^{2} -6x+9} [/latex] Sa se aduca la forma cea mai simpla. 
Răspunsuri la întrebare
cosmina020
2024-05-05 08:15:01

E(x)=E(x)=[(2x²+9)/(x+3)(x-3)}-[3/(x+3)(x-3)]-[(x+2)(x-3)/(x-3)(x-3)] E(x)=[(2x²+9-3)/(x+3)(x-3)]-[(x+2)/(x-3)] E(x)=[(2x+6)-(x+2)(x+3)]/(x-3)(x+3) E(x)={2x+6-(x²+3x+2x+6)]/(x-3)(x+3) E(x)=(2x+6-x²-5x-6)/(x+3)(x-3) E(x)=(-x²-3x)/(x-3)(x+3) E(x)=-x(x+3)/(x-3)(x+3) E(x)=-x/x-3)

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