$9x^2+18x-17$
$\frac{dp}{dt}=5p$
$3x+6x+2y+8x$
$-2\cos\left(2x\right)$
$5i\:x\:-i$
$7.215+\left(-15.86\right)$
$\cos^2e\left(1+\tan^2e\right)=1$
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