Here we answer the question: "What two numbers multiply to 418 and add up to -211?"
The answer to your question is:
-209 and -2
Below we illustrate and prove that -209 and -2 multiply to 418 and add up to -211:
-209 × -2 = 418
-209 + -2 = -211
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 211x + 418 = 0
If so, the solution to factor the quadratic equation above is:
(x - 209 ) (x - 2)
To summarize, since -209 and -2 multiply to 418 and add up -211, you know that the following is true:
x2 - 211x + 418 = (x - 209 ) (x - 2)
Multiply To One Number and Add Up To Another
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