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MATH 2B-FACTORING

 
 
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Re: MATH 2B-FACTORING
by Areteem Professor - Wednesday, December 2, 2020, 12:18 PM
 

This is for Math Challenge II-B Algebra, correct? Please remember to let us know from which course you need help.

Try adding and subtracting $ab$: $$a^3b - ab^3 + a^2 + b^2 + 1 = a^3b - ab^3 + a^2 -ab + b^2 + ab + 1$$