Recent content by Maskotti

3.4 10 2x+3\sqrt{3x-5}=5 3\sqrt{3x-5}=5-2x \ \ \ \ \ \ \mid ()^2 \\9(3x-5)=25+2*5*(-2x)+(2x)^2 \\27x-45=25-20x+4x^2 \\27x+20x-4x^2=25+45 \\47x-4x^2=70 \\-4x^2+47x-70=0 hmhph x= \frac { -47^+_- \sqrt {47^2-4*(-4)*-(70)}}{2*-4} x=...