Question

Please refer to the photo

Which polynomial expresses the difference of the two polynomials below?

Answer 1

Explanation:

8u^7 + 5U^2 -5 + (-1) (4u^7 - 8u^5 + 4)

8 u^7 + 5u^2 - 5 - 4u^7 + 8u^5 - 4 Gather 'like' terms'

(8u^7 - 4u^7 ) + ( 5u^2 + 8u^2 ) + ( -5 -4) =

4u^7 + 13 u^2 - 9