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

$\int\left(t\:sin\left(5-t^2\right)\right)dx$

$\frac{2}{0.111}\int_0^{\frac{0.111}{2}}\left(\frac{209}{9000}\:+\:\left(-0.023-\frac{209}{9000}\right)e^{-\frac{t}{0.000001}}\right)^2dt$

$\left(-6-5a^6+6\right)-\left(5-5-5a\right)$

$4x-5^2$

$y=\frac{\left(3x^2+1\right)^4\sqrt{3-2x}}{\left(x+4\right)^2}$

$\frac{d^4}{dx^4}\left(4x^6+x^5-3\right)$