$\int\left(\frac{1}{\left(16+x^2\right)^4}\right)dx$
$10s-4\left(t+6s\right)-3t$
$y=3x^{-\frac{1}{2}}$
$cos^4\theta\:-sin^4\theta\:$
$\left(3x^2-7x-6\right)$
$x^2-30x+200=0$
$6\cdot x+6\cdot7$
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