Question

considere x= -1; e y= +1
${x}^{2} {y}^{3} + 2xy$
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Answer 1

$( { - 1})^{2} \times {1}^{3} + 2 \times ( - 1) \times (1)$

$1 \times 1 + ( - 2)$

$1 - 2 = - 1$