What is the domain of (2x^2+2x-12)/(x^2+x) ?

The domain of (2x^2+2x-12)/(x^2+x) is x 0

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domain of (2x^2+2x-12)/(x^2+x)

domain

\frac{2 x ^{2} + 2 x - 12}{x ^{2} + x}

x < - 1 or - 1 < x < 0 or x > 0

Interval Notation

(- \infty, - 1) \cup (- 1, 0) \cup (0, \infty)

Solution steps

Find undefined (singularity) points:

x = 0, x = - 1

The function domain

x < - 1 or - 1 < x < 0 or x > 0

What is the domain of (2x^2+2x-12)/(x^2+x) ?
The domain of (2x^2+2x-12)/(x^2+x) is x<-1\lor-1<x<0\lor x>0