$\left(m+n+g\right)^2$

$\lim_{x\to0}\frac{6x^3-4x}{2x^4+x}$

$\left(6x^4\right)\left(12x^2\right)$

$\left(a+3\right)\left(b-1\right)$

$\int_0^{90}\left(\cos\left(x\right)e^{-\sin\left(x\right)}\right)dx$

$\log\left(\frac{\sqrt{x}}{\sqrt[3]{y}}\right)=0$

$\int ew-3\:dw$