Question

Is 2-x square+x cube polynomial in one variable

Answer 1

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$2 - {x}^{2} + {x}^{3}$

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$2 - {x}^{2} - {x}^{3}$

${x}^{3} - {x}^{2} + 2$

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

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

$x = 1$

${x}^{2} = - 2$

$x = ± \sqrt{ - 2} = ± \sqrt{2i}$

Hope it helps you..!!!

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