Question

Which of the following is a factor of (x+y)³-(x³+y³)​

Answer 1

${(x + y)}^{3} - ( {x}^{3} + {y}^{3} ) \\ = {(x + y)}^{3} - (x + y)( {x}^{2} + {y}^{2} - xy) \\ = (x + y)({(x + y)}^{2} - ( {x}^{2} + {y}^{2} - xy)) \\ = (x + y)( {x}^{2} + {y}^{2} + 2xy - {x}^{2} - {y}^{2} + xy) \\ = (x + y)(3xy)$

Answer 2

Answer:

Step-by-step explanation:

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