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Simplify the expression by combining the like terms: 7x^3 – 3x^2y + xy^2 + x^2y – y^3

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Simplify the expression by combining the like terms:

7x3 – 3x2y + xy2 + x2y – y3

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Rearranging the terms in the given expression, we get 

7x3 – 3x2y + x2y + xy2 – y3

= 7x3 + (– 3x2y) + x2y + xy2 – y3 

= 7x3+(– 3 + 1) x2y + xy2 – y3 [Using distributive property] 

= 7x3+(– 2) x2y + xy2 – y3 

= 7x3– 2x2y + xy2 – y3

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