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Factor the trinomial 3x2 + 16x + 21
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5 votes
Factor the trinomial 3x2 + 16x + 21

User Prasad G
by
6.9k points

2 Answers

4 votes

Answer:

(3x+7)(x+3)

Explanation:

Factors 3x^2+16x+21

3x^2+16x+21

=(3x+7)(x+3)

User Brad Rem
by
7.2k points
2 votes

Answer:


3 {x}^(2) + 16x + 21 \\ 3 {x}^(2) + 9x + 7x + 21 \\ 3x(x + 3) + 7(x + 3) \\ = (3x + 7)(x + 3)

User Michael Ceber
by
7.8k points
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