expand the following using expansion formula -
(x+2y)³
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Step-by-step explanation:
(x+2y)³
this is in the form of (a+b)³ as (a+b)³ is equal to
a³+b³+3ab(a+b)
(x+2y)³=x³+(2y)³+3(X)(2y)(X+2y)
=x³+8y³+6xy(X+2y)
=x³+8y³+6x²y+12xy²
you can write till here and if you want you can take common like this
=x³+2y(4y²+3x²+6xy)
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