$5x^2y^3\sqrt[7]{x}\sqrt[7]{y^4}\sqrt[7]{z^2}$

$\lim_{x\to4}6$

$\:\left(-3x+6\right)^2$

$\frac{\tan^2\left(x\right)-cot^2\left(x\right)}{sin^2\left(x\right)-\cos\left(x\right)^2}$

$1+8\cdot10^6+8\cdot10^{12}$

$\int\frac{\left(2x-5\right)}{\left(x-4\right)}dx$

$\frac{x^2-4}{x+0}$