$\frac{3x^2+25x+30}{3x+4}$
$27x^3-1-9x\left(3x-1\right)$
$3\sin\left(x\right)+3\cos\left(2x\right)=2$
$\int x^3\cos^3\left(x\right)dx$
$843-677$
$\left(x^5y-4x^2y^3\right)^2$
$-11\:+\:-10\:+\:-3\:+\:-6\:+\:12\:+\:18\:+21\:+19\:+\:15+\:9+\:2$
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