PLEASE HELP PLEAS LAST ONE

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

Plzzz plzz maths ! quadratic sequences =an^2+bn 1) 1,6,15,28,45 2)5,18,39,68,105 3) 1,8,21,40,65 4) 7,24,51,88,135 5) -1,2,9,20,35

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits