$\left(-3x+y-1\right)dx+\left(x+y+3\right)dy=0$

$\int_2^4\left(x\sin x^2\right)dx$

$0=-\cos\left(x\right)\cdot sin\left(\frac{\pi}{2}+sin\left(x\right)\right)$

$\left(z+2\right)\left(z\right)\left(z\right)$

$-88\cdot0$

$\sqrt{36x^4}$

$\frac{32a^7b^5+48a^6b^4-a^4b^3}{8ab^3}$