$-3\cdot32\cdot\left(-3\right)^1+2\cdot\left(-5\right)^2\cdot\left(-3\right)^0-35\cdot2^2-1500\cdot\left(-5\right)^0\cdot\left(2\right)^0\cdot\left(-3\right)^0$

$\frac{\sin\left(2x\right)}{\cos\left(2x+1\right)}$

$\lim_{x\to\infty}\left(\frac{15x^2+2x-1}{\sqrt{9x^4+2x^3}}\right)$

$\left(47\right)\left(-8\right)$

$\left(x-1\right)^2\le x^2-\frac{x}{2}+3$

$3x^2^2-27x$

$\frac{x-1}{x^2\left(x-1\right)^3}$