Question

What is the simplest form x^2-16/x^2+5x+4fied form of

Answer 1

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Answer:

(x -4)(x +1)

Explanation:

`(x^2-16)/(x^2+5x+4)=((x+4)(x-4))/((x+4)(x+1))=\boxed{(x-4)/(x+1)}\qquad x\\e-4`

The simplified form comes with a domain restriction corresponding to the hole in the function where the original denominator is zero.