Question

simplyfication
$x(1 + x {}^{2} ) - x {}^{2} (x - 1) - (x + x {}^{2} )$

Answer 1

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

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