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OpenStudy (anonymous):
using the substitution rule for integration, integrate (x+1)sqrt(2x+x^2)dx. I get u=2x+x^2 and du=2+2xdx so then xdx=-1du. But when you go to plug u in for the sqrt(2x+x^2) you still have (x+1)dx and I'm not sure what to do about that part.
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OpenStudy (anonymous):
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