$7x^3+10x^2$
$3x^2-4x^2+7y$
$44m^2-\:31m\:-10$
$\left(3x^8-5y^4\right)\left(2x+8y^5\right)$
$4x-15<5x+2$
$9x^2-63x+49$
$\int u\sec^2udu$
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