$b2\:\:+\:26b\:+\:0$
$-147xym^2=-147x^3y^2m^2$
$2000\cdot\left(1+0.2\right)^2$
$\frac{d}{dx}-2x^2+8$
$4x^2+7x-11$
$\left(4a^2\:+\:3b\right)^2$
$\frac{1}{\sec\left(x\right)}=2$
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