Final answer:
To find the product using FOIL, we multiply the first terms, outer terms, inner terms, and last terms. In this case, the product is 4a^4 - 18a^2 - 10.
Step-by-step explanation:
To find the product using FOIL, we need to multiply the first terms, the outer terms, the inner terms, and the last terms.
F = 4a^2 * a^2 = 4a^4
O = 4a^2 * -5 = -20a^2
I = 2 * a^2 = 2a^2
L = 2 * -5 = -10
Adding all the terms together we get: 4a^4 - 20a^2 + 2a^2 - 10
Simplifying further, we have: 4a^4 - 18a^2 - 10