Question

$(3x \: + 2 y \: ) {}^{3}$


plz solve it fast and dont give use less answer ​

Answer 1

Step-by-step explanation:

apply identity for

(a+b)³= a³+3a²b+3ab²+b³

Answer 2

Step-by-step explanation:

$(3x + 2y) {}^{3}$

$= (3x ){}^{3} + (2 {y})^{3} + 3(3x)(2y)(3x + 2y)$

$= 27{x}^{3} + 8 {y}^{3} + 9xy(3x + 2y)$

$27 {x}^{3} + 8 {y}^{3} + 27 {x}^{2} y + 18x {y}^{2}$

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