Here we answer the question: "What two numbers multiply to -812 and add up to 199?"
The answer to your question is:
-4 and 203
Below we illustrate and prove that -4 and 203 multiply to -812 and add up to 199:
-4 × 203 = -812
-4 + 203 = 199
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 199x - 812 = 0
If so, the solution to factor the quadratic equation above is:
(x - 4 ) (x + 203)
To summarize, since -4 and 203 multiply to -812 and add up 199, you know that the following is true:
x2 + 199x - 812 = (x - 4 ) (x + 203)
Multiply To One Number and Add Up To Another
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