$\int_0^{\frac{\pi}{2}}\left(\pi\left(2sin\left(x\right)\right)^2\right)dx$

$\frac{2x+2}{x^2}=\frac{2}{x}+\frac{1}{2v}$

$y-4x=\ln\left(x\right)$

$a1$

$\left(2x-1\right)\left(5x+5\right)$

$4x^2-4x+4$

$\left(\frac{1}{3}x^3y-\frac{3}{2}m^2n\right)^2-\left(\frac{4}{9}x^3y+5m^3n\right)^2$