Question

1)15а^2-2a^2b^2-10a^2
2)6ab^2-9b^3+12b^4
3)14m^2n-21mn^2-35mn^3
4)8x^4y^3-12x^2y^2+16x^3y^2

Answer 1

1)5а^2(3-5b^2-2a)

2)7mn(2m-3n-5n^2)

3)4x^2y^2(2x^2y-3+4xy)