What two numbers multiply to 25 and add up to -10?

Here we answer the question: "What two numbers multiply to 25 and add up to -10?"

The answer to your question is:

-5 and -5

Below we illustrate and prove that -5 and -5 multiply to 25 and add up to -10:

-5 × -5 = 25
-5 + -5 = -10

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

x² - 10x + 25 = 0

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

(x - 5 ) (x - 5)

To summarize, since -5 and -5 multiply to 25 and add up -10, you know that the following is true:

x² - 10x + 25 = (x - 5 ) (x - 5)

Multiply To One Number and Add Up To Another
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