What two numbers multiply to -126 and add up to 125?

Here we answer the question: "What two numbers multiply to -126 and add up to 125?"

The answer to your question is:

-1 and 126

Below we illustrate and prove that -1 and 126 multiply to -126 and add up to 125:

-1 × 126 = -126
-1 + 126 = 125

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

x² + 125x - 126 = 0

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

(x - 1 ) (x + 126)

To summarize, since -1 and 126 multiply to -126 and add up 125, you know that the following is true:

x² + 125x - 126 = (x - 1 ) (x + 126)

Multiply To One Number and Add Up To Another
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