What two numbers multiply to -660 and add up to 127?

Here we answer the question: "What two numbers multiply to -660 and add up to 127?"

The answer to your question is:

-5 and 132

Below we illustrate and prove that -5 and 132 multiply to -660 and add up to 127:

-5 × 132 = -660
-5 + 132 = 127

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

x² + 127x - 660 = 0

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

(x - 5 ) (x + 132)

To summarize, since -5 and 132 multiply to -660 and add up 127, you know that the following is true:

x² + 127x - 660 = (x - 5 ) (x + 132)

Multiply To One Number and Add Up To Another
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