$\lim_{x\to0}\left(\frac{e^x+\ln\left(1+x\right)-1}{\tan\left(x\right)}\right)$

$\sqrt{\left(358.85m\right)^2}+\left(-12.5m\right)^2$

$x+2y^{2}\right)\left(2x-3xy\right)$

$\left(6x^4\right)^2$

$6\left(y-3\right)$

$f\left(x\right)=x+5\text{y}g\left(x\right)=5-\frac{1}{5}x^{2}$

$s^2-4s-12=0$