$$\sqrt{\frac{625}{5}}$$

$$6a+7b-5a+8b$$

$$\frac{dy}{dx}=\left(\frac{y\left(y^3-2x^3\right)}{x\left(2y^3-x^3\right)}\right)$$

$$a-2+1+4a$$

$$\frac{x-11}{10}=\frac{x-10}{8}$$

$$\int\left(-4x^2\right)dx$$

$$4-10p+25p$$