Answer:
(5y−1)(y+1)
Step-by-step explanation:
The number with the same value as 28 tens is 280.
Answer:
Step-by-step explanation:
7x - 4
This expression cannot be simplified. You cannot subtract a known number from a variable.
6x - 4 - x
This equation can be simplified
Subtract 6x - x
Hope this helps :)