1/a+b+x-1/x=1/a+1/b solve for x
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Answer:
1/(a+b+x) - 1/x = 1/a + 1/b
(x-a-b-x)/x(a+b+x) = (a+b)/ab
-(a+b)/x(a+b+x) = (a+b)/ab
cancel (a+b) from both sides
-ab = x(a+b+x)
-ab = xa + xb + x^2
x^2 + xa + xb + ab = 0
x(x+a) + b(x+a) = 0
(x+a)(x+b) = 0
x= -a or - b
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plz refer to this attachment,,,,,,,,
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