$$15x^3+5x^2-25x+10$$

$$\lim_{x\to0}\left(\frac{sin\left(x\right)}{x^3+2x+1}\right)$$

$$\int x\sqrt{17x-14}dx$$

$$5x+6<6x+10$$

$$4m^3-5mn^2+3m^2\left(m^2+n^2\right)-3m\left(m^2-n^2\right)$$

$$25z^2-80z+64$$

$$140-\left(9+2\right)^2+1$$