Answer:
If there is a negative tile and a positive tile, it creates a zero pair.
Like terms can occur with the same variables (except for terms with exponents)
Step-by-step explanation:
Answer:
5x-4
Step-by-step explanation:
5
(
−
2
)
+
6
5
−
1
0
+
6
Answer:
9 x 105
Step-by-step explanation:
if you round both numbers to 100 and times them by 2 and 9
2 x100 gives 200
whereas 9 x 100 gives 900