Question

expand (2x + y) ^3 ​

Answer 1

$<marquee> 8x^3 + y^3 +12x^2y + 6xy^2$

Answer 2

Answer:

( 2x + y)³

= ( 2x)³ + y³ + 3.(2x)².y + 3.2x.y²

= 8x³ + y³ + 12x²y + 6xy²

Step-by-step explanation:

formula used :

( a + b)³ = a³ + b³ + 3a²b + 3ab²

*note : here dot . means multiply

$.$