You can
put this solution on YOUR website!It is not real clear what you are asking but I have a feeling you were given a solution set of x =6 and -1 and were asked to form a quadratic equation from this solution set...So we must work backward remember a quadratic equation takes the form of

and when factored each factor is set to zero and the solution is found. In this case we are working backward
so....x=6...in order to make x term = to zero we must subtract 6 so x-6=0....now for x=-1 we must add 1......and get x+1=0 now these two terms can be multiplied together and set equal to zero
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(x-6)(x+1)=0--->now multiply this out using foil
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combine like terms
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is our quadratic equation
If this doesnt answer your question you will have to re write your question and make it more clear....
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