$\left(8x^4+4x^2\:y^2+y^4\right)\left(8x^4-4x^2\:y^2+y^4\right)$
$2x\:\:-1y\:\:+3z\:\:=\:\:-1$
$\lim_{x\to\infty}\left(\frac{7x^2}{e^x}\right)$
$x^2\ge2+x$
$5p+2=6q+3$
$\left(2x-1\right)^2\left(2-3x\right)$
$\left(-200\right)-\left(150\right)+\left(30\right)$
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