Answer: m=-1.
Step-by-step explanation:

I am not positive for the factoring of each expression but for the distributive property you do 8 TIMES x then 8 times 7 so you would get blank plus blank and so on for the next ones.
Answer:
3+2=5
5+2=7
Step-by-step explanation:
the square is 7 mass because from 3 to 5 the numbers increase by 2 so I add 5 and 2