21,412 views
25 votes
25 votes
(9 +5r-r²) + (-5r² - 16+4r)

User Viktoriya Malyasova
by
2.7k points

1 Answer

10 votes
10 votes

Answer:

Explanation:

(see image)

(9 +5r-r²) + (-5r² - 16+4r)-example-1
User Jenish
by
3.0k points