$x^2\:+\left(-2\right)^2$
$\int_{-5}^{10}e^{-.05x}dx$
$5\sin x\tan x-4\tan x=0$
$3x^2-2y^2+6x-4y=5$
$\left(+30\right)\left(+5\right)\left(+2\right)$
$\left(b\:-\:1\right)\:\left(b\:-\:7\right)$
$1-\left(7-2-10\right)-\left(3-8\right)$
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