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DAU COROANA!!!
descompuneti in factori 9x²+6√2.x+2


Răspuns :

[tex]9*x^{2}+3\sqrt{2}x+3\sqrt{2}x+2=3x(3x+\sqrt{2})+\sqrt{2}(3x+\sqrt{2})=(3x+\sqrt{2})*(3x+sqrt{2})=(3x+\sqrt{2})^{2}[/tex]