$2 x - 3 \geq 9 x - 70$

$\left(5ab^6\right)^2$

$-48ln\left(x\right)-\frac{8}{x}$

$\frac{28^3\cdot35^4\cdot48^3\cdot81}{15^4\cdot21^7\cdot8^6}$

$\frac{dy}{dx}=5\sqrt{y}$

$\left(x-1\right)\left(x+3\right)=x-3$

$\left(x^2y^3-e^{3x}\right)dx+\left(x^3y^2+y^2e^{y^3}\right)dy=0$