Dla jakich wartosci x zachodzi ponizsza rownosc: a) 5*5 x^=625 b)0,25*4 x^ =256 c)2/3*3 x^=54

[latex]5*5x^2=625;/:25\x^2=25\x_1=-5;;;;i;;;x_2=5[/latex] b) [latex]0,25*4x^2=256\x^2=256\x_1=-16;;;;i;;;;x_2=16[/latex] c) [latex]frac{2}{3}*3x^2=54\2x^2=54\x^2=27=9*3\x_1=-3sqrt{3};;;;i;;;x_2=3sqrt{3}[/latex]