What two numbers multiply to -155 and add up to 26?

Here we answer the question: "What two numbers multiply to -155 and add up to 26?"

The answer to your question is:

-5 and 31

Below we illustrate and prove that -5 and 31 multiply to -155 and add up to 26:

-5 × 31 = -155
-5 + 31 = 26

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

x² + 26x - 155 = 0

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

(x - 5 ) (x + 31)

To summarize, since -5 and 31 multiply to -155 and add up 26, you know that the following is true:

x² + 26x - 155 = (x - 5 ) (x + 31)

Multiply To One Number and Add Up To Another
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