$\left(3a^2b^3\right)\left(-4a^2b\right)$

$5-\left(6+\left(-8+4\right)+7\right)$

$\int\:4xarccos\left(x^2\right)dx$

$\frac{dy}{dx}\left(y=\ln\left(x\right)^{3\tan\left(x\right)}\right)$

$\left(120\right)\cdot\left(100\right)$

$\sec^2\left(x\right)+\tan\left(x\right)-12$

$\left(x+1\right)\left(x+1\right)^2$