Answer:
4x² - 2x
Explanation:
5x² + x - 2x - x² - x
can be simplified: 5x² - x² - 2x + x - x = 4x² - 2x
3x^2
five x squared
5x^2
plus x
+x
minus two x squared
-2x^2
minus x
-x
All together
5x^2 +x-2x^2 -x
Combine like terms
5x^2-2x^2 +x-x
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