What two numbers multiply to 395 and add up to 84?

Here we answer the question: "What two numbers multiply to 395 and add up to 84?"

The answer to your question is:

5 and 79

Below we illustrate and prove that 5 and 79 multiply to 395 and add up to 84:

5 × 79 = 395
5 + 79 = 84

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

x² + 84x + 395 = 0

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

(x + 5 ) (x + 79)

To summarize, since 5 and 79 multiply to 395 and add up 84, you know that the following is true:

x² + 84x + 395 = (x + 5 ) (x + 79)

Multiply To One Number and Add Up To Another
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