$x^2-32x+64$
$12x^3+8x^2-3x-2\:$
$\frac{1+\cos\left(x\right)}{\sin\left(x\right)}=\frac{sin\left(x\right)}{1+\cos\left(x\right)}$
$5\:-9x+5\:-3\:+6x+4$
$9a^2-30a$
$\int\left(\cos\left(\arccos\left(2x\right)\right)\right)dx$
$34-65+89+88-765$
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