$-7w^2-28w-28$
$5x^2+40x+64$
$\left(15+8\right)\cdot\left(20\right)$
$\left(\frac{2x^9}{y}\right)^{-2}$
$\int3x^2ydx$
$-6x^2-48x+6$
$x+2+-4x^2+16x+6$
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