Question 22825
1. n^2 +2n + 2 = (n-1)(n+3)
No, that is not correct.  Use FOIL on the right side and you will see 
what I mean.
2. 2b^-2 = 2(b_1) 
Again, that is not correct. 3b^2-2 = 2(b^2-1)= 2(b+1)(b-1)
3. 2(p-q)^2 =4p^2-q^2
Wrong again.  The correct answer is 2(p^2-2pq+q^2)

Cheers,
Stan H.