Hey guys plz help me ...............
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ur and................
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Step-by-step explanation:
4x² - 9x³ + 5 + 6x + (-3 + 8x³ + 7x + 5x²)
-9x³ + 8x³ + 4x² + 5 x² + 6x + 7x + 5 - 3
= -x³ + 9x² + 13x - 2
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