Here we answer the question: "What two numbers multiply to -416 and add up to -206?"
The answer to your question is:
-208 and 2
Below we illustrate and prove that -208 and 2 multiply to -416 and add up to -206:
-208 × 2 = -416
-208 + 2 = -206
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 206x - 416 = 0
If so, the solution to factor the quadratic equation above is:
(x - 208 ) (x + 2)
To summarize, since -208 and 2 multiply to -416 and add up -206, you know that the following is true:
x2 - 206x - 416 = (x - 208 ) (x + 2)
Multiply To One Number and Add Up To Another
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