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Mathematics 14 Online
OpenStudy (anonymous):

(x+y)^3?

OpenStudy (mayankdevnani):

use identity (a + b)^3 = a^3 +b^3+3ab(a+b)

OpenStudy (mayankdevnani):

ok

OpenStudy (anonymous):

I am always confused by cubing can you use it in an example like (x+2)^3

OpenStudy (mayankdevnani):

yaa

OpenStudy (mayankdevnani):

x^3+2^3+3(x)(2)[x+2]

OpenStudy (mayankdevnani):

can you solve it

OpenStudy (anonymous):

Yeah, thank you :)

OpenStudy (mayankdevnani):

welcome

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