Question

(4a + 2)(6a^2-a + 2)

Answer 1

24a^3+8a^2+6a+4

Explanation:

(4a+2)(6a^2-a+2)

Distribute parentheses

6a^2+4a(-a)+4a :2+2 :6a^2+2(-a)+2 :2

Apply minus-plus rules

=4 6a^2a-4aa+4 :2a+2 6a^2-2+2 .2