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Mathematics

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Find the sum and express it in simplest form (-y^3-y+1)+(-7y^3-6y-5)

Answer :

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Answer:

[tex]( - {y}^{3} - y + 1) + ( - 7 {y}^{3} - 6y - 5) \\ = ( - 1 - 7) {y}^{3} - (1 + 6)y + (1 - 5) \\ = - 8 {y}^{3} - 7y - 4[/tex]

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