$\log\left(x\right)+\log\left(10x\right)=3$

$x-6\le18-7x$

$x^2-x^4+x^2b^2$

$\frac{dy}{dx}=\frac{\ln\left(x\right)}{xy}$

$\left(6-2x-x^2\right)^2$

$\frac{9\left(-4\right)}{-3}$

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