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Mathematics

Answered

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

Answer :

Syahbanazackigo Syahbanazackigo

Step-by-step explanation:

= (3x² + x + 8) + (x² - 9)

= (3 + 1)x² + x + (8 - 9)

= 4x² + x - 1

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