$\frac{15c^3d^2+60c^2\:d^3}{15c}$
$-86\cdot3$
$\int\frac{t-1}{t^4+6t^3+9t^2}dx$
$\left(+8\right)-\left(-16\right)$
$95-\left(-95\right)$
$\left(xy\:-\:z\right)\left(xy\:+\:z\right)$
$2\cos\left(x\right)^2-\sqrt{3}\cos\left(x\right)$
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