What two numbers multiply to -508 and add up to -123?




Here we answer the question: "What two numbers multiply to -508 and add up to -123?"

The answer to your question is:

-127 and 4


Below we illustrate and prove that -127 and 4 multiply to -508 and add up to -123:

-127 × 4 = -508
-127 + 4 = -123

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

x2 - 123x - 508 = 0

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

(x - 127 ) (x + 4)

To summarize, since -127 and 4 multiply to -508 and add up -123, you know that the following is true:

x2 - 123x - 508 = (x - 127 ) (x + 4)


Multiply To One Number and Add Up To Another
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