$\int\left(\frac{6x+7}{\left(x+1\right)^3\left(x+8\right)\left(x+7\right)}\right)dx$

$y\left(\left(y\right)^'\right)^'+\left(\left(y\right)^'\right)^2=0$

$\int\:\frac{3}{x^2-4x+3}dx$

$\frac{12x^2}{-3x^8}$

$\frac{216+w^3z^6}{6+wy^2}$

$\left(+85\right)\:x\:\left(+45\right)$

$16am-12an-12bm+9bn$