$\left(x^4-x^3y+x^2y^2-xy^3+y^4\right).\left(x^2-y^2\right)$

$\log_{\frac{1}{2}}\left(x\right)=\frac{1}{4}$

$\left(\frac{9\cdot a}{2\cdot a+9}\right)^{\frac{2}{3}}.9\cdot a=8.993$

$\lim_{x\to0}\left(x^{sqrt\left(x\right)}\right)$

$\frac{dy}{dx}=\frac{-2xy}{y^2-5x^2}$

$2c^2-11c+12$

$2x-10<4x-24$