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(5x2 + 2x - 1) + (4x2-x-9)
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3 votes
(5x2 + 2x - 1) + (4x2-x-9)

User Meesern
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5 votes

Answer:


5 {x}^(2) + 2x - 1 + 4 {x}^(2) - x - 9 \\ 5 {x}^(2) + 4 {x}^(2) + 2x - x - 1 - 9 \\ = 9 {x}^(2) + x - 10

User Rzar
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