$5a-17^2+2a+4$

$\int_{e^{2x}}^1\left(tsent+t\right)dt$

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

$\int\frac{sen^3\left(x\right)}{\sqrt{cos\left(x\right)}}dx$

$\int\frac{1}{s^2+s-20}ds$

$2-\tan\left(x\right)=4$

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