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Mathematics 12 Online
OpenStudy (anonymous):

@ganeshie8 @jim_thompson5910 @texaschic101

OpenStudy (anonymous):

jimthompson5910 (jim_thompson5910):

what does (2x+1)^2 expand out to?

OpenStudy (anonymous):

6x?

jimthompson5910 (jim_thompson5910):

not quite (2x+1)^2 = (2x+1)(2x+1) (2x+1)^2 = ??? ... use FOIL here

OpenStudy (anonymous):

9x??

jimthompson5910 (jim_thompson5910):

(2x+1)(2x+1) = 2x(2x+1) + 1(2x+1) (2x+1)(2x+1) = ???

OpenStudy (isaiah.feynman):

The attached file is the solution.

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