$x^2+10\cdot25$
$2x^2-3x^{-2}-5x^2+2x-m$
$\sqrt[3]{81b^7}$
$x^2+22x+32$
$a^2+4a+3=0$
$2\sin\left(x\right)^4+2\sin\left(x\right)^2\cos\left(x\right)^2=1-\cos\left(2x\right)$
$x\cdot\frac{dy}{dx}=y-xy$
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