04-08-2021
Mathematics

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The sum of 3x2 +x+8 and x- 9 can be expressed as

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04-08-2021

Answer:

2x + 5

Step-by-step explanation:

((3x2)+x+8) + (x-9)

= ((6) + x +8) + (x -9)

= (14 +x) + (x-9)

= 14 + x + x -9

= 2x + 5

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