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Bossmurder666
a fost răspuns

Rezolvati ecuatia:
x^2+(x+1)^2+(x-1)^2=(x+2)^+(x-2)^2+3

Răspuns :

Albatran

x²+x²+2x+1+x²-2x+1=x²+4x+4+x²-4x+4+3

3x²+2=2x²+11

x²=9

x=+/-3

S={-3;3}

as simple as that!!!

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