Question

y
${ y} ^{ 5} - {9y}^{3} + {6y}^{2} - 31 restar - {11y}^{4} + {31}^{3} - {8y}^{2} - 19y$
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Answer 1

$</p><p> { y} ^{ 5} - {9y}^{3} + {6y}^{2} - 31 - ( - {11y}^{4} + {31}^{3} - {8y}^{2} - 19y) \\ = {y}^{5} + 11 {y}^{4} - 9 {y}^{3} + 14 {y}^{2} + 19y - 29822</p><p>$