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Rezolvati in R ecuatia
(x+1)^2=1,(7)


Răspuns :

(x+1)²=1,(7)
x²+x×2×1+1=1,(7)
x²+2x+1=[tex] \frac{16}{9} [/tex]
x²+2x=[tex] \frac{7}{9} [/tex]