a)b^4-2b^3+b^2=(b - 1)^2 b^2
b)a^2b^3+2a^3b^2+a^4b =a^2 b (a + b)^2
в) 9a+9b-ax^2-bx^2= (x - 3) (x + 3) (-(a + b))
г)3a+b-3a^3+ab=-(a + 1) (3 a^2 - 3 a - b)
д)5a-5b+b^2-ab=(5 - b) (a - b)
е)b^2+8b+16-c^2=(b - c + 4) (b + c + 4)
a)b^4-2b^3+b^2=(b - 1)^2 b^2
b)a^2b^3+2a^3b^2+a^4b =a^2 b (a + b)^2
в) 9a+9b-ax^2-bx^2= (x - 3) (x + 3) (-(a + b))
г)3a+b-3a^3+ab=-(a + 1) (3 a^2 - 3 a - b)
д)5a-5b+b^2-ab=(5 - b) (a - b)
е)b^2+8b+16-c^2=(b - c + 4) (b + c + 4)