$$\int\left(1-2x^3\right)\left(x^2\right)dx$$

$$-6-8+15-7-4+3-2+9-14$$

$$\frac{d}{dx}-y=xy^5$$

$$13^4\cdot19^4$$

$$x+2x^3$$

$$( \frac { 1 } { n ^ { 2 } } - \frac { 2 } { 3 } n ) ^ { 2 }$$

$$x^2dx+2ydy=0,\:y\left(0\right)=2$$