How do you solve this math problem? 3/x + 3x/(x-4)?

0 ⤊

2007-12-13 09:20:17 · 3 answers · asked by CS 1 in Science & Mathematics ➔ Mathematics

3/x+3x/x-4

x x-4 is lcd

3(x-4)+3x
3x-12+3x
6x-12

2007-12-13 09:23:35 · answer #1 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋

(3x^2 + 3x - 12)/(x(x-4))

2007-12-13 17:25:01 · answer #2 · answered by Sarah 2 · 0⤊ 0⤋

3 +3x
------ ----
x (x-4)

3x-12 + 3x^2
-----------------
x^2-4

3x^2+3x-12
----------------
x^2-4

2007-12-13 17:25:01 · answer #3 · answered by pstwoorbust 3 · 0⤊ 0⤋