$$\frac{d}{dx}\left(\left(x+5\right)^5\left(3x-5\right)^3\right)$$

$$5x^2+4x-15$$

$$\sqrt{x^2}-2x$$

$$f\left(x\right)=ln\left(3x^2\:+\:4x\right)$$

$$\frac{2dv}{dx}-29v=10$$

$$\int sin\left(t\right)\cdot2ydt$$

$$\int_0^{\frac{\pi}{6}}\left(3\:cos3x\:cos8x\right)dx$$