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Expand or simplify 3c(5+c) -2(3c-7)​
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3 votes
Expand or simplify
3c(5+c) -2(3c-7)​

User XanderLynn
by
5.5k points

2 Answers

5 votes

Answer:

It is 3c² + 9c + 14

Explanation:


3c(5 + c) - 2(3c - 7)

open the brackets:


= (15c + 3 {c}^(2) ) - (6c - 14) \\ = (15c + {3c}^(2) ) - 6c + 14

express in quadratic equation:


3 {c}^(2) + 9c + 14

User Fatemeh Majd
by
5.2k points
6 votes
3c(5+c) -2(3c-7)
15c+3c^2-6c+14
9c+3c^2+14
User Ducu
by
6.1k points
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