Encontrar el conjunto solucion de las siguientes desigualdades :2x + 4 = 0?

<img src="https://tex.z-dn.net/?f=2x%2B4%3C8%5C%5C%5C%5C%0A2x%3C4%20---%3Ex%3C2%3BS%3D%28-infinito%3B2%29" />

<img src="https://tex.z-dn.net/?f=3x-2%3C7%5C%5C%5C%5C%0A3x%3C9---%3Ex%3C3%5C%5CS%3D%28-infinito%3B3%29" />

<img src="https://tex.z-dn.net/?f=3x%2B4%3Ex%2B7%5C%5C%5C%5C%0A2x%3E3----%3Ex%3E3%2F2%5C%5CS%3D%283%2F2%3B%2Binfinito%29" />x + 7 \ \ \ \ &#10 ; 2x>3 - - - - >x>3 / 2 \ \ S = (3 / 2 ; + infinito)" alt = "3x + 4>x + 7 \ \ \ \ &#10 ; 2x>3 - - - - >x>3 / 2 \ \ S = (3 / 2 ; + infinito)" align = "absmiddle" class = "latex - formula">

<img src="https://tex.z-dn.net/?f=x%5E2-5x%2B6%3E0%5C%5C%5C%5C%0A%28x-3%29%28x-2%29%3E0%5C%5C%5C%5C%0A%28x-3%29%3E0%5C%20y%5C%20%28x-2%29%3E0%5C%20o%5C%20%28x-3%29%3C0%5C%20y%5C%20%28x-2%29%3C0%5C%5C%5C%5C%0AS_%7B1%7D%3Dx%3E3%5C%20o%5C%20S_%7B2%7D%3Dx%3C2%5C%5C%5C%5C%0AS%3DS_%7B1%7D%5C%20union%5C%20S_%7B2%7D%5C%5C%5C%5C%0AS%3D%283%3B%2Binfinito%29%5C%20union%5C%20%28-inifinito%3B2%29%0A" />0 \ \ \ \ &#10 ; (x - 3)(x - 2)>0 \ \ \ \ &#10 ; (x - 3)>0 \ y \ (x - 2)>0 \ o \ (x - 3)" alt = "x ^ 2 - 5x + 6>0 \ \ \ \ &#10 ; (x - 3)(x - 2)>0 \ \ \ \ &#10 ; (x - 3)>0 \ y \ (x - 2)>0 \ o \ (x - 3)" align = "absmiddle" class = "latex - formula">.