$\frac{3\left(x-2\right)}{4}+\frac{3\left(x+1\right)}{7}$

$\left(9x+4\right)\left(81x^2-36x+16\right)$

$\sec\left(x\right)-\tan\left(x\right)\sin\left(x\right)-\frac{1}{sec\left(x\right)}$

$\sqrt[3]{\frac{1}{y}}$

$\left(t^2+1\right)\left(t^3+t^2+1\right)$

$3y^5+6y^5$

$12-8-20+3-6-7-9+4-20-23$