$\frac{d}{dy}\left(y\cos\left(xy\right)\right)$
$\lim_{x\to0}\left(\frac{\left(1-cos\:x\right)sin\:4x}{x^2\:cos\:x}\right)$
$\int\left(\frac{4}{\left(1+2x\right)^4}\right)dx$
$x^2\:-\:20x\:+\:x^2\:+\:3x\:$
$12x^2+60x+75$
$\left(3\right)-2^3\left(2\right)-2^2\left(6\right)-2-11$
$10-3x<4x-4$
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