$\int-7e^{-6x-3}dx$
$0.5x^4+2x^3+2x^2$
$\frac{d^4y}{dx^4}=120x^2$
$2\cdot9\:-\left(-9+-\left(-8\right)\right)$
$8r\:-r\:+\:10-\:3$
$\frac{4}{25x^2-1}+3\frac{3}{x-1}$
$\left(2x^m-3xy^4\right)^2$
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