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# Halp! Ty!

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What real values of x are not in the domain of

$$f(x)=\frac{1}{|x^2+3x-4|+|x^2+9x+20|}$$?

(I think this was answered somwhere else on this website but its wrong so just wanted to repost.)

:)

Apr 14, 2021
edited by TheEarlyMathster  Apr 14, 2021