I think you are doing limits so this is what I did
and that's how I factored using the box method because it's easier to track distribution.
If I were you, I would search it up on VirtualNerd but you first undo using the opposite of PEDMAS and if you divide or multiply with a negative integer, the direction of the inequality thing in the middle of the equation switches directions.
Answer:
Step-by-step explanation:
1) commutative
2) distributive
3) associative
4) inverse property
5)
6) identity property
7) identity property
8) multiplicative inverse
9) distributive
10)
11) x+n
12) 10(x+1)
13) (9p)m
14) 1/3(1+1/3)
(1/3).(1) +(1/3).(1/3)
15) (x+2)+7
16) 1/4
17) 1
18) -9
19) 0
20) -0.12