$$2x^3-x^3+x^3$$

$$499.75-80.08-219.51+305.35+1050.55$$

$$\left(x^b-y\right)^2$$

$$\left(t^2-12t+11\right)\frac{dy}{dx}=y$$

$$10y^2-11y-6$$

$$\int\left(x+4\right)\sqrt{x-4}dx$$

$$\left(6mx-7\right)\left(6mx-7\right)$$