math help simplify??

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math help simplify??

x/x+5 - 5x/x^2-25= any help would be great

2006-11-08 01:44:44 · 4 answers · asked by gloria j 1 in Science & Mathematics ➔ Mathematics

4 answers

x/(x+5)-5x/(x²-25)
x/(x+5)-5x/{(x+5)(x-5)
{x(x-5)-5x}/{x²-25}
(x²-10x)/(x²-25)

2006-11-08 01:55:58 · answer #1 · answered by wineasy03 6 · 0⤊ 0⤋

if you mean:
x/(x+5) - 5x/(x^2-25) then you can take common denominator:
= ( x(x-5) -5x ) / (x+5)(x-5)
= (x^2 -5x -5x ) /(x^2 -25)
= (x^2 -10x ) /(x^2 -25) ~

2006-11-08 09:54:06 · answer #2 · answered by locuaz 7 · 0⤊ 0⤋

x/x+5 - 5x/(x+5)(x-5)
taking lcm
=[x(x-5)-5x]/(x+5)(x-5)
=x^2-10x/x^2-25

2006-11-08 10:00:57 · answer #3 · answered by . 3 · 0⤊ 0⤋

x/[x+5]-5x/[x^2-25]
=x[1/[x+5]-5/[x+5][x-5]]
=x{[x-5]-5}/[x+5][x-5]
=x[x-10]/[x+5][x-5]

2006-11-08 10:08:25 · answer #4 · answered by openpsychy 6 · 0⤊ 0⤋