$\lim_{x\to1}\left(\left(x-1\right)^{\frac{\left(2\right)}{1-ln\left(x-1\right)}}\right)$

$\lim_{x\to\infty}\left(\frac{e^{x^2}-1}{x^2}\right)$

$\left(-3c-1\right)^2$

$2\cos^2\left(u\right)-\cos\left(u\right)-1=0$

$\frac{3}{5}m^{2}-2m+10m^{2}$

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

$6yx+2yz-8yz$