$\cos\left(4x\right)+sin\left(8x\right)$
$12z-q-35y+49z+102q+96z$
$3e^3+25e^2+36e+36$
$x^2-16x+4=0$
$3\cos x+2-2\cos^2x=0$
$\lim_{x\to1}\frac{3x^3+2x^2-3x}{x}$
$\int\frac{x^2-36}{t-3}dx$
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