$x^2+5x\ge0$

$\int\left(x\cdot\sqrt{y^2-x^2}\right)dx$

$\int\left(2u^3\left(8x-1\right)\right)dx$

$\frac{\cos\left(\infty\right)}{1+\cos\left(\infty\right)}=\frac{\sin\left(\infty\right)}{\sin\left(\infty\right)+\tan\left(\infty\right)}$

$\left(8-3m\right)^2$

$3x+4>-3x-2$

$\sin\frac{\pi}{4}-\frac{\pi}{6}$