$-\left(-\:128\:+\:256\right)\:$

$\frac{1-\left(1+0.03125\right)^{-9}}{0.03125}$

$y\cdot\frac{dy}{dx}=4x\cdot\sin\left(x^2+\pi\right)$

$\lim_{x\to0}\left(\frac{\sqrt[3]{8+x^3}-\sqrt{x^2+4}}{x^2}\right)$

$\sec^4\left(x\right)-2\sec^2\left(x\right)+1=\tan^4\left(x\right)$

$-12x>4$

$\frac{22}{11}+3+22$