$\int\left(\frac{4x-3}{\left(x+1\right)\left(x-4\right)\left(x+4\right)}\right)dx$

$\int\sqrt[2]{3x-10}dx$

$3\left(4x^2-9x\right)^4$

$\left(4x^2-9\right)\left(4x^2\right)$

$3m^3y^3-5a^2x^4:-3x^2$

$\int\frac{\left(x^2\right)}{\left(49+x^2\right)^2}dx$

$\int_0^{\infty}\left(\frac{5}{1+x^2}\right)dx$