\(\frac{5x+5}{2x+2}\): \(\frac{x^2-x}{2x^2+4x+2}\)
<=> \(\frac{5x+5}{2x+2}\).\(\frac{2x^2+4x+2}{x^2-x}\)= \(\frac{\left(5x+5\right)\left(2x^2+4x+2\right)}{\left(2x+2\right)\left(x^2-x\right)}\)=\(\frac{5\left(x+1\right)\left(x+1\right)\left(2x+2\right)}{5\left(x+1\right)x\left(x-1\right)}\)
=\(\frac{2\left(x+1\right)^2}{x\left(x-1\right)}\)