Answer:
17c + 18
Explanation:
Distributive property: a(b + c) =a*b +a*c
8c + 9(c +2) = 8c + 9*c + 9*2 {Distributive property}
= 8c + 9c + 18
Combine like terms, her 8c & 9c are like terms
= 17c + 18
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