$\int\frac{-4+5x^2+3x}{x^2}dx$

$\frac{\sqrt[3]{x^6+8}}{4x^2+\sqrt{3x^4+1}}$

$\frac{2}{3}+\frac{7}{3}$

$\left(\frac{\left(a^{x^2}+y^2\right)^2}{\left(a^{x^2}+y^2\right)^3}\right)$

$\int\left(3x-7\right)\cdot e^{-5x}dx$

$\ln\left(x^4-4\right)=4\ln\left(x\right)-\ln\left(4\right)$

$b\frac{3}{4}+b-\frac{1}{3}$