100/x^2-25+1=2x/x-5?

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100/x^2-25+1=2x/x-5?

2006-10-26 17:23:27 · 3 answers · asked by shana h 1 in Science & Mathematics ➔ Mathematics

3 answers

X=5,but when X=5,then X-5=0.so there is no answer to this
so X=minus 15

there correct one is -15

2006-10-26 17:59:43 · answer #1 · answered by peterwan1982 2 · 0⤊ 0⤋

factor the x^2 - 25 into (x - 5) ( x + 5). Over 100.
Now the (x - 5) cancels on both sides. Which leaves you with
(x + 5)/100 = 2X
Divide 2 out and the answer is
x(x + 5)/50

2006-10-27 00:31:42 · answer #2 · answered by huckleberry 5 · 0⤊ 0⤋

x=5 or x= -10

2006-10-27 00:29:24 · answer #3 · answered by Charu Chandra Goel 5 · 0⤊ 1⤋