$\left(3g-4h\right)\left(g+2h\right)$

$\int\left(t^2+4t\right)\left(t^3+6t^2\right)^6\:dt$

$\left(-6+2\right)+\left(9-5\right)-\left(-5+3\right)$

$150+75-58-28$

$\lim_{x\to1}\left(\frac{\sqrt{x^2+3x-2}}{x-1}\right)$

$3x+9>3$

$\int\frac{2x^2-4x+5}{\left(3x+1\right)\left(3x-1\right)\left(2x+1\right)}dx$