X^2-x/(x-1)(x+7) what is the excluded value HELP ASAP

The denominator of the function cannot equal zero as this would make it

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Equating the denominator to zero and solving gives the values that x cannot be.

solve

(1−x)(1+x)=0⇒x=1 or x=−1←

excluded values

or

step-by-step explanation:

yes it represnts a functio, their are not 2 of the same numbers on the both sides