Question

3ab and (4a + 5b) are factors of an algebraic expression, then the algebraic expres​

Answer 1

Answer:

3ab(4a+5b)

=12a²b+15ab²

.

Answer 2

12a~~2b + 15ab~~2

I have used the ~~ symbol to indicate "to the power of".

Step-by-step explanation:

if the 2 factors of an algebraic expression are given, each of the 2 factors should divide the algebraic expression.

hence, if you multiply the 2 factors, you will get the algebraic expression.