Объяснение:
1) 2ax^3 -16ay^3=2a(x^3 -8y^3)=2a(x-y)(x^2 +2xy+4y^2)=2a(x^2 +2xy+4y^2)(x-y)
2) y^2 -10y+25-3xy+15x=(y-5)^2 -3x(y-5)=(y-5)(y-5-3x)=(-3x+y-5)(y-5)
3) x^2 +2xy+y^2 +2x+2y+1=(x+y)^2 +2(x+y)+1=(x+y+1)^2=(x+y+1)(x+y+1)
Объяснение:
1) 2ax^3 -16ay^3=2a(x^3 -8y^3)=2a(x-y)(x^2 +2xy+4y^2)=2a(x^2 +2xy+4y^2)(x-y)
2) y^2 -10y+25-3xy+15x=(y-5)^2 -3x(y-5)=(y-5)(y-5-3x)=(-3x+y-5)(y-5)
3) x^2 +2xy+y^2 +2x+2y+1=(x+y)^2 +2(x+y)+1=(x+y+1)^2=(x+y+1)(x+y+1)