$4-0,5\left(x-1\right)+0.5\left(x-1\right)\left(x-2\right)-0.1\left(x-1\right)\left(x-2\right)\left(x-3\right)$

$\frac{7a^3b^{10}}{9b^{10}}$

$\frac{dy}{dx}\left(x^2-26x+120\right)=y$

$\left(x-\sqrt{3}\right)\left(x+\sqrt{3}\right)$

$\frac{\csc^{2}\phi}{1+\tan^{2}\theta}\cot^{2}\phi$

$_{3}g\left(x\right)\text{para}g\left(x\right)=\sqrt{7x}+22$

$\int12x^2dx$