$4z^2+40zx+100x^2$
$x-10>\frac{-2}{7}$
$-x^2+6x+10$
$\int7x\cos\left(3-x\right)dx$
$2y-7\le5y+3$
$\left(8mn^2\right)^2$
$x^2-6x+9x$
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