$100x-89x=121$

$4\left(5x^3-13x^2-36x+36\right)$

$\int\left(x^3+2\right)^{\frac{1}{3}}x^2dx$

$\frac{dy}{dx}=\left(\frac{3y+2}{5x+4}\right)$

$2\sin\left(x\right)-2-\cos^2x$

$\lim_{n\to\infty}\left(\frac{ln\left(n^2\right)}{xln\left(2n\right)}\right)$

$3x^2+x+6x^2-x+2-3x$