SOLUTION: Find zeroes of the function: f(x)= 1/x-3 + 1/x+4

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Question 484628: Find zeroes of the function: f(x)= 1/x-3 + 1/x+4
Answer by lwsshak3(11628) About Me  (Show Source):
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Find zeroes of the function: f(x)= 1/x-3 + 1/x+4
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f(x)= 1/x-3 + 1/x+4=0
LCD: (x-3)(x-4)
(x+4+x-3)/(x-3)(x+4)
set denominator=0
(x-3)(x+4)=0
x-3=0
x=3
or
x+4=0
x=-4
..
ans:
zeros: 3 and -4