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

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Elcaro asked Apr 13, 2022

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44 votes

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

Mathematics
college

Elcaro asked Apr 13, 2022

by Elcaro

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2 Answers

22 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:

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

Melissa Heying answered Apr 14, 2022

by Melissa Heying

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10 votes

3c(5+c) -2(3c-7)
15c+3c^2-6c+14
9c+3c^2+14

Sidhantunnithan answered Apr 19, 2022

by Sidhantunnithan

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