Answer:
(r - 5)
-------
4
Step-by-step explanation:
(2r^2-2r-40)/(8r+32)
Factor
= 2(r^2 - r - 20) / 8(r + 4)
= (r^2 - r - 20) / 4(r + 4)
= (r + 4)(r - 5) / 4(r + 4)
= (r - 5) / 4
