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Help

 
 
Picture of David Tang
Help
by David Tang - Monday, June 11, 2018, 3:36 PM
 

\( a^3b-ab^3+a^2+b^2+1 \)

How does this work???

 
Picture of David Reynoso
Re: Help
by David Reynoso - Wednesday, June 13, 2018, 12:06 PM
 
Hey David! Remember to let us know from which class/week is the question you are asking so we can come back to you quicker.


For this question, try adding and subtracting $ab$, then group some of the terms to start factoring.

Picture of David Tang
Re: Re: Help
by David Tang - Wednesday, June 13, 2018, 3:47 PM
 

Thanks!!