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Rezolvati ecuatia (x+1)patrat +2(x-2)(x+2)=(3x-1)(x-3)+2 Va rog cat mai repede!!!Dau 15 stele

Răspuns :

(x+1)²+2(x-2)(x+2)=(3x-1)(x-3)+2
x²+2x+1+2(x²-4)=3x²-9x-x+3+2
x²+2x+1+2x²-8=3x²-9x-x+3+2
x²+2x+2x²-3x²+9x+x=3+2-1+8
12x=12
x=12/12=1