Question

$(x - 1)(xcube + x + 3)$
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Answer 1

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$(x - 1)( {x}^{3} + x + 3) \\ = {x}^{4} + {x}^{2} + 3 x - {x}^{3} - x - 3 \\ = {x}^{4} - {x}^{3} + {x}^{2} + 2x - 3$

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