What two numbers multiply to -56 and add up to 1?

Here we answer the question: "What two numbers multiply to -56 and add up to 1?"

The answer to your question is:

-7 and 8

Below we illustrate and prove that -7 and 8 multiply to -56 and add up to 1:

-7 × 8 = -56
-7 + 8 = 1

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

x² + 1x - 56 = 0

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

(x - 7 ) (x + 8)

To summarize, since -7 and 8 multiply to -56 and add up 1, you know that the following is true:

x² + 1x - 56 = (x - 7 ) (x + 8)

Multiply To One Number and Add Up To Another
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