$f\left(x\right)=\left(x^3+x+1\right)\left(x^4+x^2+1\right)$

$\left(42\left(\frac{1}{2}z^8-\frac{1}{7}\right)\right)^3$

$\int\frac{3x^2-5}{x^3-5x}dx$

$\left(-\frac{4}{3}x^2-4x+\frac{7}{2}xy-2y\right)+\left(\frac{5}{3}x^2+\frac{3}{4}x-\frac{2}{5}xy+8y+5\right)$

$5p\:-\:p$

$logt+log2=3$

$\int\left(\frac{1}{\left(121+x^2\right)^2}\right)dx$