1) Cancel out the common factor which in this case is 8 
2)First apply exponent rule
now cancel out the common factors which are n and n+7 leaving you with 
3)Factorize
cancel out the common factor in this case x+2 leaving you with 
4) Factorize
cancel out the common factor in this case 3w-1 leaving you with 
5) In the picture
6)In the picture
I am REALLY tired sorry I wont be able to do the rest, I hope these are helpful :)
Answer:
81
Step-by-step explanation:
perfect-square trinomial form: a² +2ab +b²
a = x
2ab = 18x = 2 * x * 9
c = 9*9 = 81
Answer:
1,12 is your answer 1, 2x6-12
Step-by-step explanation:
99/10 as a mixed fraction would be 9 9/10