divide 3x cube + x square+ 2x+ 5 by 1 + 2x+x
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Answer:
x² + 2x + 1 ) 3x³ + x² + 2x + 5 ( 3x - 5
3x³ + 6x² + 3x
- - -
_______________
- 5x² - x + 5
- 5x² -10x - 5
+ + +
____________
9x + 10
_____________
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