4\\x^2-6x+5>0\\D^2=6^2-4*5=36-20=16, D=-+4\\x_1=\frac{6+4}{2}=\frac{10}{2}=5\\x_2=\frac{6-4}{2}=\frac{2}{2}=1\\\\(x-5)(x-1)>0" alt="x^2-6x+9>4\\x^2-6x+5>0\\D^2=6^2-4*5=36-20=16, D=-+4\\x_1=\frac{6+4}{2}=\frac{10}{2}=5\\x_2=\frac{6-4}{2}=\frac{2}{2}=1\\\\(x-5)(x-1)>0" align="absmiddle" class="latex-formula">
(x-5)(x-1)>0
+ - +
____1____5___
xє( -∞;1)∪(5;+∞)