$4sinx+4=6$
$3x-3<-8$
$\:g\left(x\right)=\frac{x^{4+3x^2-x+5}}{x^2-4x+4}$
$\frac{1}{n}x^{2n}$
$4x^2+12x=18$
$x^2-18x=19$
$\int\frac{4x^3}{\sqrt{4+x^2}}dx$
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