1)a) x²+6x+9 = (x+3)²b) 25x²-10x+y² = (5x-y)(5x+y)
2)a) y^3+8 = (y+2)(y^2-2y+4)b) a^3-1 = (a-1)(a^2+a+1)в) y^3+1000 = (y+10)(y^2-10y+100)г) b^3-8 = (b-2)(b^2+2b+4)
1)
a) x²+6x+9 = (x+3)²
b) 25x²-10x+y² = (5x-y)(5x+y)
2)
a) y^3+8 = (y+2)(y^2-2y+4)
b) a^3-1 = (a-1)(a^2+a+1)
в) y^3+1000 = (y+10)(y^2-10y+100)
г) b^3-8 = (b-2)(b^2+2b+4)