(x+y)^2+2(x+y)+1

answer is:(x+y+1)^2

can some explain how they came to that? thanks a lot

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- May 17th 2011, 10:43 PMmath69factoring problem.
(x+y)^2+2(x+y)+1

answer is:(x+y+1)^2

can some explain how they came to that? thanks a lot - May 17th 2011, 11:06 PMabhishekkgp
- May 17th 2011, 11:17 PMmath69
i guess your going to have to spell it out for me, tried it and still confused

- May 17th 2011, 11:32 PMmr fantastic
- May 18th 2011, 08:02 AMmath69factor
i dont even get where to start, everything i learned in algebra so far would tell me to distribute that 2 into the (x+y) or at least add that 2 and 1 together through communative property, but on my little algebra helper program it goes a different route that iam not familiar with and the answer doesnt make sense to me, was hoping for a human to explain it step by step, thanks for any help

- May 18th 2011, 09:44 AMabhishekkgp
- May 18th 2011, 09:54 AMmath69
ahh i see its a special product, i see, kind of decieving when your taught to distribute first all the time, thanks so much

- May 18th 2011, 07:59 PMmr fantastic