# Identify the domain of the following rational expression: (x+4)/(x^2+x-12)

Identify the domain of the following rational expression: $\frac{x+4}{{x}^{2}+x-12}$
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ivice7u
$\frac{x+4}{{x}^{2}+x-12}=\frac{x+4}{\left(x+4\right)\left(x-3\right)}$
For domain $x+4\ne 0\phantom{\rule{1em}{0ex}}x\ne -4\phantom{\rule{0ex}{0ex}}x-3\ne 0\phantom{\rule{1em}{0ex}}x\ne 3$
All real no except -4, 3