Answer:
8c² + 66c + 16
Step-by-step explanation:
Given
(c + 8)(8c + 2)
Each term in the second factor is multiplied by each term in the first factor, that is
c(8c + 2) + 8(8c + 2) ← distribute both parenthesis
= 8c² + 2c + 64c + 16 ← collect like terms
= 8c² + 66c + 16
