Here we answer the question: "What two numbers multiply to -426 and add up to -211?"
The answer to your question is:
-213 and 2
Below we illustrate and prove that -213 and 2 multiply to -426 and add up to -211:
-213 × 2 = -426
-213 + 2 = -211
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 211x - 426 = 0
If so, the solution to factor the quadratic equation above is:
(x - 213 ) (x + 2)
To summarize, since -213 and 2 multiply to -426 and add up -211, you know that the following is true:
x2 - 211x - 426 = (x - 213 ) (x + 2)
Multiply To One Number and Add Up To Another
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