Question

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Answer 1

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Answer 2

$= 2 {x}^{3} + 3 {x}^{2} + 7x + 2$

$= 2 {( - 2)}^{3} + 3( - 2) ^{2} + 7( - 2) + 2$

$= 2( - 8) + 3(4) - 14 + 2$

$= - 16 + 12 - 14 + 2$

$= - 4 - 12$

$= - 16$