What two numbers multiply to -65 and add up to -64?

Here we answer the question: "What two numbers multiply to -65 and add up to -64?"

The answer to your question is:

-65 and 1

Below we illustrate and prove that -65 and 1 multiply to -65 and add up to -64:

-65 × 1 = -65
-65 + 1 = -64

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

x² - 64x - 65 = 0

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

(x - 65 ) (x + 1)

To summarize, since -65 and 1 multiply to -65 and add up -64, you know that the following is true:

x² - 64x - 65 = (x - 65 ) (x + 1)

Multiply To One Number and Add Up To Another
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