SOLUTION: Can you please help me with this problem, (x+y)(2x-1)(x+1)

Question 60268This question is from textbook Intermediate Algebra
: Can you please help me with this problem, (x+y)(2x-1)(x+1) This question is from textbook Intermediate Algebra

Answer by brandonpark2889(31) (Show Source): You can put this solution on YOUR website!
. First of all, you must multiply first two polynomials, . Use the distributive property: the reason is because you could use distributive property even if these two are polynomials. So,it would be, and just simplify the like terms. But we are not done yet. after we combine it, which is , we also have to multiply as well, remember? We should rather use polynomials ( the ) than quadnomials ( the ) to use as distributive property, so this is what it should be: which simplify all the way down to: then to: .
Confused? When multiplying polynomials, think of something that splits in two and goes along with others on each side. Pretend like . So it would be . i hope you aren't still confused...
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