$7\cdot\left(1\right)+22$

$\left(x-2\right)\left(x^2+2x+4\right)+8$

$\frac{dv}{dt}=6t\sqrt{v}$

$\lim_{x\to0}\left(\frac{ln\left(x+1\right)+sen\left(x\right)}{xsen\left(x\right)}\right)$

$\frac{9s^2-25}{3s-5}$

$y'=\left(x+y\right)ln\left(x+y\right)-1$

$625x^2+700x+196$