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For what value of x is the rational expression below equal to zero?

x-1/(x-3)(x+1)

User Dmeglio
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1 Answer

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x=1

x-1/(x-3)(x+1)=0
Multiply both sides by the denominator— in this case, (x-3)(x+1).
x-1=0
Add 1 to both sides.
x=1
User Ranindu
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