$\left(-4x^2\right)^3\cdot\:\left(-\frac{3}{4}x\right)\cdot\:\left(-2x^2\right)$

$5a^2bc^3-3a^2bc^3+7a^2bc^3-10a^2bc^3$

$\frac{1}{2}-\frac{1}{2}\cos\left(12x\right)$

$\frac{d}{dx}y+xy^3=x$

$\frac{\cos\left(x\right)}{\sin\left(x\right)}-\frac{\sin\left(x\right)}{1+\cos\left(x\right)}=\csc\left(x\right)$

$\frac{3a^4+5a^3-2a+3}{a^2-3a+3}$

$4x+5y=10$