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For which values of x will the rational expression below be undefined (x-3)(x+6)/x+7
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For which values of x will the rational expression below be undefined (x-3)(x+6)/x+7

For which values of x will the rational expression below be undefined (x-3)(x+6)/x-example-1
User Sebastien Dionne
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1 Answer

3 votes

Answer:

E. -7

Explanation:


((x-3)(x+6))/(x+7) Substitute x for -7


((-7-3)(-7+6))/(-7+7) Simplify


((-10)(-1))/(0) Multiply


(10)/(0) This is undefined because you can't divide any number by 0.

User Austin Pray
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