How do you do this problem ?

0 ⤊

How do you do this problem ?

Perform the indicated operation. Simplify if possible.
(2) / ( x + 4) + (9) / (5x + 20 )

(19) / (5x + 4)^2

(11) / (5x + 4)

(47) / ( 5x + 4)

(19) / ( 5x + 4)

2007-07-30 10:43:59 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

2 answers

2 / (x+4) + 9 / [5(x+4)]
= 2(5) / [5(x+4)] + 9 / [5(x+4)]
= (10+9) / [5(x+4)]
= 19 / [5(x+4)]

2007-07-30 10:45:22 · answer #1 · answered by MsMath 7 · 0⤊ 0⤋

(2) / ( x + 4) + (9) / (5x + 20 )
= 10/(5x+4)

The remaining problems are all in there most simplified form.

2007-07-30 17:58:27 · answer #2 · answered by ironduke8159 7 · 0⤊ 0⤋