How would i factor x2 + 13x + 22
if someone would kindly explain how to do it as well as answer it i'd greatly appreciate it. so i could do it on my own.

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.