What two numbers multiply to 869 and add up to -870?

Here we answer the question: "What two numbers multiply to 869 and add up to -870?"

The answer to your question is:

-869 and -1

Below we illustrate and prove that -869 and -1 multiply to 869 and add up to -870:

-869 × -1 = 869
-869 + -1 = -870

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

x² - 870x + 869 = 0

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

(x - 869 ) (x - 1)

To summarize, since -869 and -1 multiply to 869 and add up -870, you know that the following is true:

x² - 870x + 869 = (x - 869 ) (x - 1)

Multiply To One Number and Add Up To Another
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