$$\int\frac{x^3-3x-7}{x^2-x-6}dx$$

$$46\sqrt[4]{3a}.2a\:\sqrt[4]{7a^2}.\frac{1}{16}\sqrt[4]{2ab}$$

$$\int3\cdot5^xdx$$

$$\frac{dx}{dy}=y+x$$

$$\sqrt[2]{2^2}-10$$

$$\left(2cosx+1\right)\left(tanx+1\right)=0$$

$$\left(5a+4b\right)^3$$