What two numbers multiply to 666 and add up to 667?

Here we answer the question: "What two numbers multiply to 666 and add up to 667?"

The answer to your question is:

1 and 666

Below we illustrate and prove that 1 and 666 multiply to 666 and add up to 667:

1 × 666 = 666
1 + 666 = 667

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

x² + 667x + 666 = 0

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

(x + 1 ) (x + 666)

To summarize, since 1 and 666 multiply to 666 and add up 667, you know that the following is true:

x² + 667x + 666 = (x + 1 ) (x + 666)

Multiply To One Number and Add Up To Another
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