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09-12-2019
Mathematics

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3x² + (4x – x) + 7 – (2x – 1)
Which expression is equivalent to this

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calisickleroye9vh calisickleroye9vh

09-12-2019

Answer:

3x² + x + 8

Step-by-step explanation:

3x² + (4x - x) + 7 - (2x - 1)

Solve what's inside the parenthesis first.

3x² + 3x + 7 - 2x + 1

Combine like terms.

3x² + x + 8

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