Question

Хелп плиз, фенк ю❤❤❤❤❤​

Answer 1

$x^{2} -2x-1=0\D= 4+4 = 8\x1;2= frac{2+-sqrt{8} }{2}= 1+-sqrt{2}\ \\4x^{2} -12x+9=0\(2x-3)^{2} =0\x=1,5$