Here we answer the question: "What two numbers multiply to 806 and add up to -807?"
The answer to your question is:
-806 and -1
Below we illustrate and prove that -806 and -1 multiply to 806 and add up to -807:
-806 × -1 = 806
-806 + -1 = -807
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 807x + 806 = 0
If so, the solution to factor the quadratic equation above is:
(x - 806 ) (x - 1)
To summarize, since -806 and -1 multiply to 806 and add up -807, you know that the following is true:
x2 - 807x + 806 = (x - 806 ) (x - 1)
Multiply To One Number and Add Up To Another
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