Question

разложите на множители.

Answer 1

y²+10y+25-x²=(y+5)²-x²=(y+5-x)(y+5+x)
4z²+4uz+u²-16=(2z+u)²-4²=(2z+u-4)(2z+u+4)

Answer 2

y^2+10+25-x^2=(y+5)^2-x^2=
=(y+5-x)*(y+5+x)
Ответ: (y+5-x)*(y+5+x).
4z^2+4uz+u^2-16=(2z+u)^2-4^2=(2z+u-4)*(2z+u+4).
Ответ: (2z+u-4)*(2z+u+4).