What two numbers multiply to 693 and add up to 86?

Here we answer the question: "What two numbers multiply to 693 and add up to 86?"

The answer to your question is:

9 and 77

Below we illustrate and prove that 9 and 77 multiply to 693 and add up to 86:

9 × 77 = 693
9 + 77 = 86

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

x² + 86x + 693 = 0

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

(x + 9 ) (x + 77)

To summarize, since 9 and 77 multiply to 693 and add up 86, you know that the following is true:

x² + 86x + 693 = (x + 9 ) (x + 77)

Multiply To One Number and Add Up To Another
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