$\lim_{x\to0}\left(x^{\frac{7.5}{x}}\right)$

$12x^2+143x-12$

$x\sqrt{x^2}+1$

$\left(\frac{\sqrt{2}}{2}+\frac{\sqrt{2}}{2i}\right)^2$

$2\cdot\left(3\cdot\left(-9+4\left(5\cdot3-9\right)\right)-3\left(32\right)\right)$

$m^2-16m=-59$

$16\left(\frac{-3}{8}\right)+16\left(\frac{1}{4}\right)$