Four fifths of 7/8 will be less than 7/8 (multiplied by a number less than 1).
Similarly, 7/8 of 4/5 will be less than 4/5.
This means that the product will be less than each of the original factors
Answer:
2+6-3+7
8-10
-2
-2+x^4+3+1=
-2+x^8
-2x^8