Simplify the sum. (7u^3 + 8u^2 + 7) + (8u^3 - 3u + 7)

Question

Mathematics

Jasiah

22 June, 19:50

Simplify the sum. (7u^3 + 8u^2 + 7) + (8u^3 - 3u + 7)

+5

Answers (2)

Know the Answer?

Keira Randolph · Answer 1

15u^3 + 8u^2 - 3u + 14

Alan · Answer 2

15u^3 + 8u^2 - 6u + 13

Step-by-step explanation:

(7u^3 + 8u^2 + 8) + (8u^3 - 6u + 5)

= 7u^3 + 8u^2 + 8 + 8u^3 - 6u + 5

= 7u^3 + 8u^3 + 8u^2 - 6u + 5 + 8

*Now add the like terms

= 15u^3 + 8u^2 - 6u + 13

And that is all your can do!