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OpenStudy (anonymous):
Please check my work!! 1. (2x+1)^2 my answer=4x^2+4x+1 2. (3x-1)(2x-4) my answer=6x^2+10x-4
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OpenStudy (uri):
Did you use (a+b)^2 formula? Let me check
OpenStudy (anonymous):
I used foil for both
OpenStudy (luigi0210):
First one is correct
OpenStudy (luigi0210):
Check the second one
OpenStudy (anonymous):
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