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1 vote
1 vote
(3x 3 +4x 2 )+(3x 3 −4x 2 −9x)

User Joakimdahlstrom
by
2.4k points

2 Answers

17 votes
17 votes
9x is going to be your answer
User Kiran Parmar
by
3.1k points
25 votes
25 votes

Answer:

9x

Explanation:

=9x+8x+9x-8x-9x

=9x

User Leonid Glanz
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3.0k points