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How do you multiply #(2+x)^3#?

1 Answer

Mar 23, 2018

#x^3+6x^2+12x+8#

Explanation:

We know that #(a+b)^3=a^3+3a^2b+3ab^2+b^3#
In this case, #a=2# and #b=x#
#2^3+3(2^2)(x)+3(2)(x^2)+x^3#
#8+12x+6x^2+x^3#

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