What is the product of 3a+5 and 2a2+4a-2

Product means multiplication

(3a + 5) * (2a^2 + 4a - 2)

You must multiply each factor in the first paren with each factor in the second:

6a^3 + 12a^2 - 6a + 10a ^ 2 + 20a - 10

Combine like terms:

6a³ + 22a² + 14a - 10

This is your answer

(3a + 5) * (2a^2 + 4a - 2) =

3a (2a^2 + 4a - 2) + 5 (2a^2 + 4a - 2) =

6a^3 + 12a^2 - 6a + 10a^2 + 20a - 10 =

6a^3 + 22a^2 + 14a - 10 <===