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17 votes
Simplify: 4x^3+5y^3+2x^3+7y

A: 6x^3+5y^3+7y
B: 6x^6+12y^4
C: 6x^6+5y^3+7y
D: 9xy^3+2x^3+7y

User Pesama
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1 Answer

5 votes
C because they added up to that number
User Blalond
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