Add the given polynomial X×3-2X×2-9,5X×3+2X+9
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0
Answer:
−x
3
−2x
2
−9
5x
3
+9+2x
___________________
4x
3
−2x
2
+0+2x
___________________
⇒4x
3
−2x
2
+2x.
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