Question

do this please........................... ​

Answer 1

Answer:

2x^3 + 3x^2 - 6x^2 - 9x + 14x + 21

2x^3 - 3x^2 + 5x + 21

Therefore the answer is option B

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Answer 2

Answer:

option(b)

Step-by-step explanation:

On multiplying we get,

$2x^3 +3x^2 - 6x^2 - 9x + 14x + 21\\= 2x^3 -3x^2 + 5x + 21$

which is option (b)

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