$x^2-9x+32$

$\int\frac{\left(8x+4\right)}{\sqrt{1-4x^2}}dx$

$\left(2m+g\right)^2-\left(g+m\right)^2$

$-3\left(x-1\right)+8$

$\left(2x^3y^5\right)\left(-3xy^3\right)$

$\left(\frac{1}{3}x-2\right)^2$

$\int\frac{6x}{\left(x^2-1\right)^4}dx$