$$\int\frac{7+x}{7x+\frac{1}{2}x^2}dx$$

$$\frac{2g-3}{2g}$$

$$7-2.8$$

$$\frac{2x}{3}-5<x+\frac{1}{2}$$

$$x\int_2^{x^2}sen\left(t^3\right)dt$$

$$\frac{\cot\left(x\right)}{\left(1+\csc\left(x\right)\right)}=\sec\left(x\right)-\tan\left(x\right)$$

$$\:\:\:\:\:\:-8\:\:+\:\:\:\:\:\:-1\:\:\:\:\:-\:\:\:-64\:\:\:-\:\:\:\:12$$