$2m^2+m-1$

$\left(x+6\right)\left(x^2+6x+36\right)$

$-\frac{9}{8}x+\frac{9}{2}<-x-\frac{3}{2}$

$\int_{0}^{1}\frac{\cos h\left(2x\right)}{1+\senh\left(2x\right)}dx$

$\int_{-\infty}^{-8}\left(\frac{112}{x^2-49}\right)dx$

$\:\left(-2x^2+3y\right)^2$

$\lim_{x\to0}\left(\frac{1+\tan\left(x\right)}{1+\sin\left(x\right)}\right)^{-\frac{1}{x}}$