$\frac{dy}{dx}=\frac{y^2}{x^2}+\frac{y}{x}-1$

$\left(4s+5\right)\left(4s-7\right)$

$\sqrt[3]{8}\cdot\sqrt[3]{27}^3\cdot4^3$

$a^4-2a^2-24$

$\left(x-y-z\right)\cdot\left(x+y+z\right)+\left(y-z\right)^2$

$-1x^2+2x+3$

$\int\frac{\left(2x^2-3x+4\right)}{\sqrt{x^2+2x+2}}dx$