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2x²-x-3=0
SOLUTIA ECUATIEI VA ROGGG


Răspuns :

Δ= 1 -4x2x(-3)
Δ=25
x1=[tex] \frac{1- \sqrt{25} }{2*2} =-1 iar x2= \frac{6}{4} = \frac{3}{2} [/tex]
Raspuns S={-1,[tex] \frac{3}{2} [/tex]}