mn-7mn^2-mn-7mn^2 3a^2b-ab^2-a^2b+2ab^2 10xy-xy^2-10xy+x^2y

Question

mn-7mn^2-mn-7mn^2

3a^2b-ab^2-a^2b+2ab^2

10xy-xy^2-10xy+x^2y

Answer 1

1) ab(3a-b-a+2b) = ab(2a+b)2)mn(1-7n-1-7n) = -14mn^23) xy(10y-10+y) = xy(11y-10)4)xz(5z-4x+1-5z) = xz(1-4x)