Homework Help

simplify:  3/x  + 2x/(x-1)  + x/5

user profile pic

seedrasoso | Student, Grade 10 | eNoter

Posted July 28, 2010 at 7:43 AM via web

dislike 0 like

simplify:  3/x  + 2x/(x-1)  + x/5

Tagged with equastion, math

1 Answer | Add Yours

user profile pic

hala718 | High School Teacher | (Level 1) Educator Emeritus

Posted July 28, 2010 at 7:47 AM (Answer #1)

dislike 1 like

(3/x) + (2x/(x-1)) + (x/5)

First we need to have a coomon denomenator which si :

x(x-1)*5 = 5x(x-1)

==> [3(5(x-1) + 2x(5x) + x(x(x-1)]/ (5x)(x-1)

= [15x -15 + 10x^2 + x^3 - x^2]/(5x)(x-1)

= [x^3 + 9x^2 + 15 x -15]/(5x)(x-1)

Join to answer this question

Join a community of thousands of dedicated teachers and students.

Join eNotes