What two numbers multiply to -650 and add up to -649?

Here we answer the question: "What two numbers multiply to -650 and add up to -649?"

The answer to your question is:

-650 and 1

Below we illustrate and prove that -650 and 1 multiply to -650 and add up to -649:

-650 × 1 = -650
-650 + 1 = -649

Are you asking because you are trying to figure out how to factor the following quadratic equation?

x² - 649x - 650 = 0

If so, the solution to factor the quadratic equation above is:

(x - 650 ) (x + 1)

To summarize, since -650 and 1 multiply to -650 and add up -649, you know that the following is true:

x² - 649x - 650 = (x - 650 ) (x + 1)

Multiply To One Number and Add Up To Another
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