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[tex] \sqrt{3x + 4 = 4 \\ } [/tex]
[tex] \sqrt{3x - 5 = 2} [/tex]
[tex] \sqrt{5x - 1 = 7} [/tex]
[tex] \sqrt{ {x }^{2} } - 2x - 3 = 2 \: formla \: delta[/tex]
[tex] \sqrt{ {x}^{2} } - 6x + 13 = 4[/tex]

Va rog am nevoie de ajutor!