(5x+2)(x+3)
Step-by-step explanation:
Find factors of 5and 6 whose products ADD to 17
It might take a bit of trial and error to find the correct combination of factors.
........5 and 6
.......↓ ↓
........5 2 →1×2=2
........1 3 →5×3=15−−
...............................................17