$\left(2+y^2\right)^2$
$8y\:+\:4y\:+\:2y\:$
$\left(38a-9r\right)\left(8a-31r\right)$
$( 3 - 3 i ) ^ { 3 }$
$3x^2-60x$
$x^2+x-12\le0$
$36x^4z^{10\:-121}$
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