Question

$4x {}^{3 } - 5x {}^{2} - 6x + 7when \: x = 2$
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Answer 1

Answer:

〰 refer to the attachment 〰

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Answer 2

Step-by-step explanation:

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$4x {}^{3 } - 5x {}^{2} - 6x + 7 \\ x = 2$

$= 4 ({2}^{3} ) + 5( {2}^{2} ) - 6 \times (2) + 7$

$= 4(8) + 5(4) - 12 + 7$

$= 32 + 20 - 5$

$= 32 + 15$

$= 47$