Question

I’m using this app so much but i really do appreciate the help pleasee no wrong answers

Answer 1

C is correct

Explanation:

a is wrong because: 1*-1*-1*-1 =1

b) 1*1*1*1 =1

d) 1*-1*1*1 =1

only c 1*-1*-1*1 =-1 at the end of polynomial