Please help ^^ Homework dued in 10min

asked Mar 15, 2023 121k views

13 votes

Please help ^^
Homework dued in 10min

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2 votes

Answer:

$\sf x^3+6x^2+12x+8$

Explanation:

$\rightarrow \sf \left(x+2\right)^3$

apply cubic formula:
$\bold{ \left(a+b\right)^3=a^3+3a^2b+3ab^2+b^3}$

$\rightarrow \sf x^3+3x^2 * \:2+3x * \:2^2+2^3$

$\rightarrow \sf x^3+6x^2+12x+8$

Loreley answered Mar 19, 2023

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