What two numbers multiply to -620 and add up to 151?

Here we answer the question: "What two numbers multiply to -620 and add up to 151?"

The answer to your question is:

-4 and 155

Below we illustrate and prove that -4 and 155 multiply to -620 and add up to 151:

-4 × 155 = -620
-4 + 155 = 151

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

x² + 151x - 620 = 0

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

(x - 4 ) (x + 155)

To summarize, since -4 and 155 multiply to -620 and add up 151, you know that the following is true:

x² + 151x - 620 = (x - 4 ) (x + 155)

Multiply To One Number and Add Up To Another
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