( 𝑥 − 2 ) 2 ( 𝑥 − 4 ) < 0 ${\displaystyle {\left(x-2\right)}^2\left(x-4\right)<0}$

( 𝑥 − 4 ) 2 𝑥 − 2 > 0 ${\displaystyle \frac{{\left(x-4\right)}^2}{x-2}>0}$

( 𝑥 − 2 ) ( 𝑥 − 4 ) < 0 ${\displaystyle \left(x-2\right)\left(x-4\right)<0}$

𝑥 − 2 𝑥 − 4 > 0 ${\displaystyle \frac{x-2}{x-4}>0}$

𝑥 < 2 ${\displaystyle x<2}$ или 2 < 𝑥 < 4 ${\displaystyle 2<x<4}$

𝑥 < 2 ${\displaystyle x<2}$ или 𝑥 > 4 ${\displaystyle x>4}$

2 < 𝑥 < 4 ${\displaystyle 2<x<4}$

2 < 𝑥 < 4 ${\displaystyle 2<x<4}$ или 𝑥 > 4 ${\displaystyle x>4}$