Me because i forgot how to do this

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

5x−4≥12 or 12x+5≤−4 can you with this problem