1) xy^2 + x^2y^3 = xy^2(1 + xy)2) a^4b^2 - a^2b^4 = a^2b^2(a^2 - b^2) = a^2b^2(a + b)(a - b)3) m^2n^2 + mn^3 = mn^2(m + n)4) a^3b^2 + a^5b^3 = a^3b^2(1 + a^2b)5) c^3d^2 - c^4d^2 = c^3d^2(1 - c)6) -x^5y^3 - x^3y^5 = -x^3y^3(x^2 + y^2)
1) xy^2 + x^2y^3 = xy^2(1 + xy)
2) a^4b^2 - a^2b^4 = a^2b^2(a^2 - b^2) = a^2b^2(a + b)(a - b)
3) m^2n^2 + mn^3 = mn^2(m + n)
4) a^3b^2 + a^5b^3 = a^3b^2(1 + a^2b)
5) c^3d^2 - c^4d^2 = c^3d^2(1 - c)
6) -x^5y^3 - x^3y^5 = -x^3y^3(x^2 + y^2)