11,602 views
33 votes
33 votes
Find any domain restrictions on the given rational equation x/x+4 + 12/x^2+5x+4 = 8x/5x-15

User Vishnu M Menon
by
2.8k points

2 Answers

22 votes
22 votes

There are 3 answers to your question. x= -1 x= 3 x= -4

User Geir Sagberg
by
3.2k points
16 votes
16 votes

Answer:

x ≠ -4, -1, 3

Explanation:

12/(x^2+5x+4) = 8x/(5x-15)

12/((x+1)(x+4)) = 8x/(5(x-3))

division by zero is undefined

User Farid Al Haddad
by
3.1k points