add (3y²+9y+3)and(3y+3+4y²)
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0
Answer:
3y3 - 9y2 + 9y - 3 =
sdhjbvh
Answered by
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Answer:
add (3y²+9y+3) + (3y+3+4y²)
3y²+9y+3
3y+3+4y²
= 7y²+12y+6
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