Simplify completely ((x2-4x+4) / (x2+10x+25)) x ((x+5) / (x2+3x-10)) ... ?

First of all you'll have to

Factor x^2-4x+4 = (x-2) ^2

Factor x^2+10x+25 = (x+5) ^2

Factor x^2+3x-10 = (x+5) (x-2)

So you'll have (x-2) ^2 / (x+5) ^2 X (x+5) / (x+5) (x-2)

Then cancel the (x-2) and (x+5) on both sides

Thus getting the answer of x-2 / (x+5) ^2

or x-2/x+10+25