$$\int\left(x+1\right)\cdot e^{-2\ln\left(x\right)}dx$$

$$3y^2+24y+144$$

$$\sqrt{\left(2\right)^2-2\left(2\right)+1}$$

$$\left(2x^3+5x+3\right)+\left(4x-3x^2+2x^3\right)$$

$$\int\frac{16}{4-x^2}dx$$

$$-a^2\left(a\right)$$

$$\frac{3a-1}{\left(a+2\right)^2}-\frac{3}{a\left(a-2\right)}=\frac{3}{a}$$