Question

a³+b³+a+b



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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

${a}^{3} + {b}^{3} + a + b \\ = {a}^{3} + a + {b}^{3} + b \\ = a( {a}^{2} + 1) + b( {b}^{2} + 1) \\ = ( a + b)( {a}^{2} + 1)( {b}^{2} + 1)$