Here we answer the question: "What two numbers multiply to -551 and add up to 550?"
The answer to your question is:
-1 and 551
Below we illustrate and prove that -1 and 551 multiply to -551 and add up to 550:
-1 × 551 = -551
-1 + 551 = 550
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 550x - 551 = 0
If so, the solution to factor the quadratic equation above is:
(x - 1 ) (x + 551)
To summarize, since -1 and 551 multiply to -551 and add up 550, you know that the following is true:
x2 + 550x - 551 = (x - 1 ) (x + 551)
Multiply To One Number and Add Up To Another
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