Răspuns :
Răspuns:
[tex](x-3\sqrt{2} )^{2} =\\\\x^{2} - 2 * x * 3\sqrt{2} + (3\sqrt{2})^{2} = \\\\x^{2} - 6x\sqrt{2} + 3^{2}* (\sqrt{2})^{2} = \\\\x^{2} - 6x\sqrt{2} + 9 * 2 = \\ \\x^{2} - 6x\sqrt{2} + 18\\\\[/tex]
Răspuns:
[tex](x-3\sqrt{2} )^{2} =\\\\x^{2} - 2 * x * 3\sqrt{2} + (3\sqrt{2})^{2} = \\\\x^{2} - 6x\sqrt{2} + 3^{2}* (\sqrt{2})^{2} = \\\\x^{2} - 6x\sqrt{2} + 9 * 2 = \\ \\x^{2} - 6x\sqrt{2} + 18\\\\[/tex]