SOLUTION: what is x2+2xy-y2 in factored form?
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Question 535675: what is x2+2xy-y2 in factored form?
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
would be a popular, easier factorization, but
and that looks strange.
It can be calculated as
or as
with
finding the roots of the polynomial with the quadratic formula as
Then
and
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