If you are factoring it you can factor it into (x+5)^2
Answer: Your answer is 0 (F.O.I.L) first. outer. inner. last. Or you could use what my teacher calls the magic box
Step-by-step explanation:
So for the boxes you multiply for example the top left box you multiply the 9 above it and the 9 to the left or like the top right box you multiply the -9 above it and the 9 on the outside of the box to the left
If seth goes every three days and Brian im assuming is the name.Goes every five days then they will both go on day 15
The answer is nine hope this helps :)