$4\:sec^4\frac{x-1}{4}$
$\int\left(sin^2\left(4x\right)\right)dx$
$2x^2-4x+5=6$
$\left(2y+8\right)\left(2y-3\right)$
$4n^2+2n-6=0$
$3g-27$
$\lim_{x\to0}\left(\left(\frac{x^4\cdot\:\:y^5}{x^6+y^6}\right)\right)$
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