$2\int\left(x^2-5x+4\right)\left(2x-5\right)dx$
$-x^3+2x+4$
$\lim_{x\to0}\left(\frac{1}{x}-\frac{1}{t^2+t}\right)$
$-\frac{120}{4}$
$\left(x^2y^2+x^2z^2+y^2z^2\right)^2$
$\left(4+\sin\left(x\right)\right)^2+\cos^2x$
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