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(2x-1)(3x+2)=0 x<0 varog repede

Răspuns :

^inseamna la putere
6x^2+4x-3x-2=0
6x^2+x-2=0
delta = b^2-4ac=1+48=49
x1= (-b+√delta)/2a=(1+7)/12=8/12=2/3<0
x2=(-b-√delta)/2a=(1-7)/12=-6/12=-1/2<0