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Mathematics 16 Online
OpenStudy (anonymous):

Choose the correct product of (5x + 4)^2 ??? Help???

hero (hero):

25x^2+40x+16

OpenStudy (anonymous):

How do you get 40x?

hero (hero):

20x + 20x = 40x

OpenStudy (anonymous):

|dw:1314204229911:dw|

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