$$x^2-x+0.25$$

$$27\cdot3+8$$

$$\int e^{-sx}\cdot\left(2x^2\right)dt$$

$$\frac{d}{dx}\left(\frac{\left(7x-4\right)\sqrt{3x+5}}{8x^3-6}\right)$$

$$6+\frac{1}{4}x^{\frac{-3}{2}}$$

$$\lim_{x\to0}\left(846\left(\frac{2}{3}\right)^x\right)-\left(396\left(\frac{1}{3}\right)^x\right)$$

$$\frac{3}{5}a-\frac{1}{6}b+-\frac{2}{5}c\cdot\frac{5}{3}ac2$$