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6.) What is the sum of 3x² + x+8 and x? - 9 ?
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6.) What is the sum of 3x² + x+8 and x? - 9 ?

User Brit
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1 Answer

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Explanation:

= (3x² + x + 8) + (x² - 9)

= (3 + 1)x² + x + (8 - 9)

= 4x² + x - 1

User Oremj
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