$\frac{dy}{dx}=xy-x+y-1$

$\lim_{x\to0}\left(sin\left(x^2\right)\right)$

$17+\left(-14\right)+\left(-8\right).\left\{8+\left(-17\right)\right\}$

$\left(y+x\right)\left(2x-2y\right)$

$\frac{7^{5}\cdot7^{3}}{7^{4}}$

$\left(x-3\right)^2-x^2-8x>0$

$tan^2\left(\theta\:\right)=\left(3\right)sec^2\left(\theta\:\right)$