$\frac{x^2+8x+24}{x+2}\ge8$
$\left(121-66d+36d^2\right)\left(11+6d\right)$
$\left(4\right)+\left(-18\right)$
$2x+x+2x+x$
$\frac{1}{\sqrt{x}+a}$
$\int\left(e^{4\cdot x}\left(5+e^{4\cdot x}\right)\right)dx$
$3x\:+\:5\:+4x\:=19$
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