$\sqrt[4]{\left(x+y\right)^3}.\sqrt[12]{\left(x+y\right)^{-1}}.\sqrt[3]{\left(x+y\right)^4}$

$sea\:f\left(x\right)=\left(4x-3\right)^3$

$2x-5=x+25$

$-5-2+4-7+8-3+\left\{5+3\right\}-8+\left(5-7\right)-3-5$

$b^3-a^2+2b-1;\:a=-2;\:b=-1$

$2x^2-8x+3$

$\frac{dy}{dx}-3x=y$