$\frac{9}{2}=4+cos\left(x+\frac{\pi}{2}\right)$
$5x^3y^2+45x^2+30^2$
$\:2^2+234+4^2$
$\int\left(\frac{t-3\sqrt{t}}{t-5}\right)dt$
$\int\frac{1}{x}\left(x^2-1\right)^{\left(\frac{3}{2}\right)}dx$
$\sin\left(2x\right)+\sin\left(6x\right)-2\sin\left(4x\right)=0$
$4x^3-4^2+x$
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