$2-x\ge-10$

$\lim_{b\to a}\left(\frac{1-e^{\left(-\frac{1}{a}-\frac{1}{b}\right)w}}{a+b}\right)$

$\left(5hm\:+\:3bc\right)\left(3bc\:-\:5hm\right)\:$

$3a+2+3a-2$

$f\left(x\right)=ln\left(\frac{2x^4\cdot\sqrt[7]{x^{10}}}{7^4\sqrt{x^9}}\right)$

$4m^2-56m+16$

$\frac{\sin\:^22x}{2}+\cos^2x=1$