What is the sum of x power2 + y power 3 + 3xy -6 and 2x power 2 -5y power 3 - xy + 5
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Step-by-step explanation:
( x² + y³ +3xy -6 ) + ( 2x² - 5y³ - xy +5)
= 3x² - 4y³ + 2xy -1
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