$\lim_{x\to4}\left(\frac{3x^2-8x+16}{2x^2-9x+4}\right)$

$\int\frac{2}{3}r^4\ln\left(r\right)dr$

$2\cos^2\left(x\right)+2\sin\left(x\right)=1$

$4abc\left(3b^2+5c+3\right)$

$\left(x+1\right)^3-\left(y-2\right)^3=0$

$3mn+5mn+2mn$

$\int\left(\frac{5x^3-11x+5}{x^3-4x^2+5x-2}\right)dx$