Asked by Russell
Is x^2+x-k Factorable?
I have spent way too much time trying to find to factor this triominal and starting to belive it is not factorable. Is this correct?
I have spent way too much time trying to find to factor this triominal and starting to belive it is not factorable. Is this correct?
Answers
Answered by
bobpursley
Here are the factors:
(x+(1+sqrt(1+4k))/2)
(x+(1 -sqrt(1+4k) )/2)
You ought to recognize where these came from: the quadratic equation
(x+(1+sqrt(1+4k))/2)
(x+(1 -sqrt(1+4k) )/2)
You ought to recognize where these came from: the quadratic equation
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