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Find the sum and express it in simplest form. (-5y^3 - 7y) + (7y^3 + 8y +9)
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3 votes
Find the sum and express it in simplest form.

(-5y^3 - 7y) + (7y^3 + 8y +9)

User Rishav Sharan
by
8.9k points

1 Answer

4 votes
(-5y^3 - 7y) + (7y^3 + 8y +9)


-5y^3+7y^3-7y+8y+9 <---- Group like terms

-5y^3+7y^3+y+9 <---- Add similar elements

Answer: 2y^3+y+9

Read it carefully as it may look confusing with the symbols.
User Nick Hristov
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9.0k points
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