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OpenStudy (anonymous):
Multiply: (2b+1)^2
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OpenStudy (anonymous):
=(2b+1)(2b+1) =(4b^2+4b+1)
OpenStudy (anonymous):
Thought so, thank you!
OpenStudy (anonymous):
Now, if I have (2a+4)^3 is it... (2a+4)+(2a+4)+(2a+4)= 8a^3+8a+12 ???
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