Answer:
4a2−b2−2a+b, there are no factorable rational numbers.
Step-by-step explanation:
Answer:
q = 9
Step-by-step explanation:

4hours hope this help. 14+9=23+9=32+9=41+9=50
If N is a positive integer, it must be either even or odd.
If N is odd, then N-1 will be even.
If N is even, then N-1 will be odd.
Either way, when you multiply n and n-1, one of those expressions is going to be an even number, and any number multiplied by an even number is an even number.
Hope this helps! :)
3/4 is the correct answer