$x^2^m-100$
$\sqrt{x}^4+y^4$
$x^2-3x+2;\:x=-2$
$\int\:-3xe^xdx$
$2-3\left(9\right)$
$0=\lph\left(1-x\right)+xp\left(1+h\right)x$
$\frac{a^2-49b^2}{a-7b}$
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