$\left(l\:+\:5\right)\left(l\:-\:5\right)$
$432\cdot 555$
$\int\left(\frac{\sqrt{x\:+2}\:-1}{\sqrt{x+2}+1}\right)dx$
$12x^2-15x$
$-5+6-1+8+2-6-4$
$z^2+16wz+64w^2$
$m^3-0.008$
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