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Which polynomial represents the sum below? (4x2 + 6) + (2x2 + 6x + 3) A. 8x2 + 6x + 18 B. 8x2 + 6x + 9 C. 6x2 + 6x + 9 D. 6x2 + 6x + 18

Which polynomial represents the sum below? (4x2 + 6) + (2x2 + 6x + 3) A. 8x2 + 6x + 18 B. 8x2 + 6x + 9 C. 6x2 + 6x + 9 D. 6x2 + 6x + 18
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1 vote
Which polynomial represents the sum below?

(4x2 + 6) + (2x2 + 6x + 3)

A. 8x2 + 6x + 18
B. 8x2 + 6x + 9
C. 6x2 + 6x + 9
D. 6x2 + 6x + 18

asked
User Npinti
by
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2 Answers

0 votes
Correct answer is C
you need only remove parentheses( signs are not changing because + in front of parentheses) , and find like terms
answered
User Don Spaulding
by
7.8k points
4 votes
(4x² + 6) + (2x² + 6x + 3) = 4x² + 6 + 2x² + 6x + 3 = 6x² + 6x + 9

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Answer: 6x² + 6x + 9 (Answer C)
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answered
User Octo Poulos
by
8.2k points
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