$\int\left(3x^2-x-4\right)dx$

$6x+5y=2$

$\lim_{x\to1}\left(\frac{\left(\ln\left(x\right)\right)^2}{x^2}\right)$

$\frac{4x}{\left(x+2\right)\left(3x+2\right)}$

$\frac{-7x^3+22x^2-9}{x-3}$

$\frac{d^2}{dx^2}\left(x^{-7}\right)$

$\lim_{x\to0}\left(\left(512-9x^6\right)^{\frac{1}{3}}-\left(512-9x^3\right)^{\frac{1}{3}}\right)$