$\left(12y^6w^4\right)\left(2y^2\right)$

$3\left(x^2-2yz+y^2\right)-4\left(x^2-y^2-3yz\right)+x^2+y^2$

$\int\frac{-x^3+27}{e^{-5x}}dx$

$\log\left(480\right)-2\log\left(x^2\right)-\log\left(24x^4\right)$

$\frac{\left(4mn-8m^2n-2mn\right)}{\left(2mn\right)}$

$1\cdot2-18+4$

$3x-1\le1-4\left(x-1\right)$