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Ajutor cu inecuatia : [tex](x-3)^{2}[/tex] - (x-5)(x+5) [tex]\leq [/tex] 4x+14

Răspuns :

(x-3)²-(x-5)(x+5)≤4x+14
x²-6x+9-x²+25≤4x+14
-6x+34≤4x+14
20≤10x
x≥2