$8sinxcos^3x+8sin^3xcosx$
$3\left(2x-4y\right)+y$
$\frac{dy}{dx}=\frac{x+1}{e^y}$
$5^2+3^2\cdot4-10$
$\left(1+\sin a\right)\left(1+\sin\left(-a\right)\right)$
$\:x\:-\:10x\:+\:2x$
$4z^2+4z-3$
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