Vasily1975

Verified answer

25*x²-10*x*y+y²=(5*x-y)*(5*x-y)=(5*x-y)²

rubilovalex 25x^2-10xy+y^2=(5x)^2-2*5x*y+(y)^2=(5x-y)^2=(5x-y)(5x-y). ^- это степень.