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sa se rezolve in R ecuatia:
a)8(x-4)=3-2x;
b)x^2-4/x=3+2x/2;
c)3x^-8x=0;
d)x^2-1/x=x^2-1/x
e)x/x^2-6x+9=5x/x-3


Răspuns :

8x-32=3-2x
8x-32-3+2x=0
10x-35=0
10x=35
x=35/10=3,5

 [tex]3 x^{2} -8x=0 a=3 b=-8 c=0 delta = b^2-4ac =3^2-4*(-8)*0 =9 x_{1}= 8+3/6 =11/6 =1,83 x_{2}=8-3/6=5/6=0,83[/tex]