my college hive icon mycollegehive
Groups
My College Hive notifiction icon Questions
Connect / Friends
Tags
Quiz
Books
What is x
math
up
0
down

(x2 - 1)/(x - 1) = 5

67 views
Share Follow
peter
Asked by peterrep:1.4K
University of Lagos Nigeria
19 January 2020

Comments

dp
judziy, University of Benin
The answer is 4
0 likes, 0 dislikes




1 answer(s)

judziy
Judziy answeredrep:1.4K
University of Benin Nigeria
13 May 2020
up
0
down

EXPLANATION:

(x2 - 1) = (x2 -12) = (x - 1)(x + 1)

(x - 1)(x + 1)/(x - 1) = 5

(x - 1)  in the numerator will cancel out (x - 1)  in the denominator

Thus, the equation becomes:

(x + 1) = 5

x = 5 - 1

x = 4

Share
Comments






Your Answer

my college hive loader icon



Related Tags

math

8 followers

1015 questions