$4x^2+55x+36$
$\frac{-4}{3\sqrt{6}}-sen70^{\circ}$
$\sin^3\left(x\right)+\frac{1}{2}\sin\left(2x\right)\cos\left(x\right)$
$9d-6-3+8d$
$-11ab-31ab$
$-10\::\:-2$
$\frac{dy}{dx}=-\frac{xsen\left(x\right)}{y}$
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