What two numbers multiply to -961 and add up to 960?

Here we answer the question: "What two numbers multiply to -961 and add up to 960?"

The answer to your question is:

-1 and 961

Below we illustrate and prove that -1 and 961 multiply to -961 and add up to 960:

-1 × 961 = -961
-1 + 961 = 960

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

x² + 960x - 961 = 0

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

(x - 1 ) (x + 961)

To summarize, since -1 and 961 multiply to -961 and add up 960, you know that the following is true:

x² + 960x - 961 = (x - 1 ) (x + 961)

Multiply To One Number and Add Up To Another
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