Question

(5a+3ab)and(a 2 −b 2 )​

Answer 1

(5a+3ab)(a^2-b^2)
=5a^3-5ab^2+3a^3b-3ab^3
=a^3(3b+5)-ab^2(3b+5)
=(a^3-ab^2)(3b+5)